Machine shell solid spiral-flute reamers for light alloys. Design and dimensions
NORM herausgegeben am 1.1.1976
Designation standards: GOST 20389-74
Publication date standards: 1.1.1976
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 4.77
Amd. 2.82