GB/T 3971.3-1983

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

STANDARD published on 15.12.1983

English, Chinese -
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English, Chinese -

Print design (382.80 USD)

The information about the standard:

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