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  4. Standard "GB/T 7623-1987"
Standard GB/T 7623-1987 3.4.1987 preview

GB/T 7623-1987

Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network including procedures for bling of echo control devices for both manually and automatically established calls

Translate name

STANDARD published on 3.4.1987


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Price418.80 USD excl. VAT
418.80 USD

The information about the standard:

Designation standards: GB/T 7623-1987
Publication date standards: 3.4.1987
SKU: NS-889597
Country: Chinese technical standard
Category: Technical standards GB

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