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  4. Standard "GB/T 12171-1990"
WITHDRAWN GB/T 12171-1990 12.1.1990 preview

GB/T 12171-1990

Specification for TDM/FDM 60-channel Tran-multiplexing equipments used in the telecommunication network

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STANDARD published on 12.1.1990


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The information about the standard:

Designation standards: GB/T 12171-1990
Note: WITHDRAWN
Publication date standards: 12.1.1990
SKU: NS-861231
Country: Chinese technical standard
Category: Technical standards GB

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