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  4. Standard "GB/T 3971.3-1983"
Standard GB/T 3971.3-1983 15.12.1983 preview

GB/T 3971.3-1983

The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network

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STANDARD published on 15.12.1983


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Price382.80 USD excl. VAT
382.80 USD

The information about the standard:

Designation standards: GB/T 3971.3-1983
Publication date standards: 15.12.1983
SKU: NS-883831
Country: Chinese technical standard
Category: Technical standards GB

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Telecommunication terminal equipment

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