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VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED

Standard No. Title Price(USD) Delivery Status Add To Cart GB 4828-1984 Transmission requirements of frequency-modulated voice-frequency telegraph for a modulation rate of 150 (USD) via email in 1-3 business day ABOLISHED Add To Cart YZ/T 0141-2015 Guidelines of express service information exchange for cash on delivery via email in VALID please email coc@codeofchina.com for quotation

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