Amplifying, ractifying and transmitting tubes of anode dissipated power to 25 W and vacuum display tubes for wide aplication designs. General specifications
NORMA vydána dne 1.7.1975
Designation standards: GOST 7428-74
Publication date standards: 1.7.1975
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST
Implemented changes and corrections:
Amd. 5.77
Amd. 10.84