Chemical and laboratory glass. Technical specifications. Test methods
NORMA vydaná dňa 1.7.1977
Designation standards: GOST 21400-75
Publication date standards: 1.7.1977
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST
Implemented changes and corrections:
Amd. 1.82
Amd. 10.86