| Standard No. | 
                        Title | 
                        Price(USD) | 
                        Delivery | 
                        Status | 
                        Add To Cart | 
                    
                                        
                        | YD 610-1993 | 
                         | 
                         960 (USD)  | 
                        via email in
                                                                                                                                                                            1-8 business day
                                                        
                         | 
                        
                                                                                                                                                                        
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 6878-1986 | 
                        Technical requirements and testing methods for local crossbar telephone switching systems | 
                         195 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 748-1995 | 
                         | 
                         375 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 6880-1986 | 
                         | 
                         270 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 795-1996 | 
                         | 
                         450 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 3267-1982 | 
                        The specification and test methods for conference telephone tandem board | 
                         150 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 922-1997 | 
                        Performance and test methods of the inegrated multiplex equipment using in the digital channel | 
                         310 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 1136-2001 | 
                        Technical requirements and testing methods of basic access terminal adapter(TA)of integrated sevices digital network (ISDN) | 
                         1035 (USD)  | 
                        via email in
                                                                                                                                                                            1-8 business day
                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD 336-1988 | 
                        Digital Line Signalling for Manual Toll Exchange to local Exchange | 
                         120 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 1018-1999 | 
                        Digital circuit multiplication equipment using ADPCM and DSI | 
                         945 (USD)  | 
                        via email in
                                                                                                                                                                            1-8 business day
                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 974-1998 | 
                        Specifications and Measurement Methods for SDH Digital Cross Connect Equipment(SDXC) | 
                         1695 (USD)  | 
                        via email in
                                                                                                                                                                                                        1-10 business day
                            
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 989-1998 | 
                        The Technical Requirement of Flexible Multiplexer | 
                         640 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 631-1993 | 
                         | 
                         345 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                                                        
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 743-1995 | 
                         | 
                         180 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                                                        
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | SJ 20981-2008 | 
                         | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YD/T 1116-2001 | 
                        Digital Distribution Frame with Wire Sleeve Coaxial Connectors | 
                         195 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD 335-1988 | 
                        Digital Line Signalling for Intertoll Exchange | 
                         210 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD 285-1982 | 
                         | 
                         240 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 742-1995 | 
                         | 
                         285 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 1355-2005 | 
                        Technical requirements and test method of Mini-BITS equipment | 
                         420 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                         | 
                             
 
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