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YS/T 441.3-2014 Management rules of nonferrous metals balance—Part 3:Zinc enrichment and metallurgy 360 (USD) via email in 1-3 business day VALID
YS/T 873-2013 Specification of polishing coating on aluminum alloy 240 (USD) via email in 1-3 business day VALID
YS/T 876-2013 Standard practice for extrusion solution heat treatment for wrought aluminium alloys 120 (USD) via email in 1-3 business day VALID
YB 701-1970 via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 3009-2012 Dynamic observation technical specification of groundwater in gold mine 360 (USD) via email in 1-3 business day VALID
YS/T 3006-2011 Calculation methods of gold recovery rate of cyanide leaching and zinc dust precipitation 120 (USD) via email in 1-3 business day VALID
YS/T 441.5-2014 Management rules of nonferrous metals balance—Part 5:Gold and silver metallurgy 240 (USD) via email in 1-3 business day VALID
YS/T 594-2006 Rhodium(Ⅲ) nitrate via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 3002-2012 Specification of sample preparation for gold-bearing ore 120 (USD) via email in 1-3 business day VALID
LD/T 65.4-1994 via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 441.1-2014 Management rules of nonferrous metals balance—Part 1:Copper enrichment and metallurgy 300 (USD) via email in 1-3 business day VALID
YS/T 441.2-2014 Management rules of nonferrous metals balance—Part 2:Lead enrichment and metallurgy 300 (USD) via email in 1-3 business day VALID
YS/T 88-1995 224 (USD) via email in 1 business day ABOLISHED
YB/T 053-2007 Cored wires 75 (USD) via email in 1-3 business day ABOLISHED
LD/T 65.3-1994 via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 400-1994 45 (USD) via email in 1-3 business day ABOLISHED
YB 714-1970 via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 3013-2012 Technical specification for observation of tunnel displacement for the underwater gold mining engineering 300 (USD) via email in 1-3 business day VALID
YS/T 732-2010 Drawings of section of extruded aluminium and aluminium alloys profiles for commercial usage 12420 (USD) via email in 1-10 business day VALID
LD/T 65.1-1994 via email in ABOLISHED please email coc@codeofchina.com for quotation
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