Rotating electrical machinery with shaft height from 450 to 1000 mm. Mouting dimensions
STANDARD published on 1.7.1976
Designation standards: GOST 20839-75
Publication date standards: 1.7.1976
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 9.77
Amd. 11.87
Amd. 7.90