Industrial high-frequency generators and units for inducted and dyelectric heating. General specifications
NORM herausgegeben am 1.7.1988
Designation standards: GOST 21139-87
Publication date standards: 1.7.1988
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 8.89