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YD/T 1284-2003

Chinese Standard: 'YD/T 1284-2003'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
YD/T 1284-2003English789 Add to Cart Days<=5 The technical requirement for quality of communia-cation for inter. public telecom network-call completion rate post dialing delay for telephone call YD/T 1284-2003 Valid YD/T 1284-2003

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