
Specification for bevel protractors (mechanical and optical).
NORM herausgegeben am 22.5.1951
Designation standards: BS 1685:1951
Note: UNGÜLTIG
Publication date standards: 22.5.1951
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategorie: Technische Normen BS