Carbide combined drills and countersinks for printed circuits boards. Specifications
NORM herausgegeben am 1.1.1976
Designation standards: GOST 20686-75
Publication date standards: 1.1.1976
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 2.76
Amd. 3.87