Facsimile information, applied to the acoustic frequency channels. Energetical parameters and measurement methods
STANDARD published on 1.7.1980
Designation standards: GOST 23504-79
Publication date standards: 1.7.1980
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. 2.88