Grinding stone exit grooves. Shape and sizes
STANDARD published on 1.7.1971
Designation standards: GOST 8820-69
Publication date standards: 1.7.1971
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. 9.80