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GB/T 9541-1988

Chinese Standard: 'GB/T 9541-1988'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB/T 9541-1988English599 Add to Cart Days<=3 2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2 wire leased telephone-type-circuits GB/T 9541-1988   GB/T 9541-1988

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