Cylinder-chucking countersinks for machining parts from light alloys. Design and dimensions
NORMA vydána dne 1.1.1977
Designation standards: GOST 21579-76
Publication date standards: 1.1.1977
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST