Unified system for designe documentation. Graphic identifications in schemes. Electronic tubes and valves
NORM herausgegeben am 1.7.1981
Designation standards: GOST 2.731-81
Publication date standards: 1.7.1981
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 7.87