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YD/T 923-1997

YD/T 923-1997, Total:1 items.

In the international standard classification, YD/T 923-1997 involves: Telecommunication terminal equipment.

Professional Standard - Post and Telecommunication, YD/T 923-1997

• YD/T 923-1997 IC card payphone system test procedure telephone part

Others:   yd/t 2689, yd/t 1099, yd/t 1156, yd/t 1156, yd/t 1597.1, yd/t 1029, yd/t 1460.3, yd/t 2379.4, yd t 2583.14, yd/t 2379.5, yd/t 1484.6, yd/t 1710.1, yd/t 760, yd/t 2370, yd/t 2740.2, yd/t 1363.2, yd/t 841.8, yd/t 2583.2, yd/t 2624, YD/T 923-1997.