Measurement of microhardness by scratch diamond instruments
NORMA vydaná dňa 1.7.1976
Designation standards: GOST 21318-75
Publication date standards: 1.7.1976
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST
Implemented changes and corrections:
Amd. 12.82