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Telephone sets. Voice-frequency method of speech intelligibility measurement
STANDARD published on 1.1.1980
Designation standards: GOST 8031-78
Publication date standards: 1.1.1980
SKU: NS-396463
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 10.81
Amd. 8.89
1.1.1985
1.1.1986
1.7.1986
1.1.1989
1.1.1990
1.7.1990
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Latest update: 2024-11-22 (Number of items: 2 206 568)
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