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  4. Standard "GB/T 5442-1985"
WITHDRAWN GB/T 5442-1985 30.10.1985 preview

GB/T 5442-1985

The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network

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STANDARD published on 30.10.1985


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Price574.80 USD excl. VAT
574.80 USD

The information about the standard:

Designation standards: GB/T 5442-1985
Note: WITHDRAWN
Publication date standards: 30.10.1985
SKU: NS-886491
Country: Chinese technical standard
Category: Technical standards GB

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