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| Chinese National Standard List: Communication network transmission system interface |
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GB/T 12171-1990 Specification for TDM/FDM60-channel transmultiplexing equipments used in the telecommunication network
Issued on: 1990-1-12 Translation Price(USD): 450.0 |
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YD/T 997-1999 Specification for VB5.1 interface
Issued on: 1999-01-07 Translation Price(USD): 2040.0 |
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YD/T 910.21-1998 900/1800MHz TDMA digital cellular mobile telecommunication netwrok radio interface signaling part (Phase2)
Issued on: 1998-4-20 Translation Price(USD): 3000.0 |
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