Specification for general purpose, metric module gear hobs.
NORMA vydána dne 30.6.1987
Designation standards: BS 5221:1987
Note: NEPLATNÁ
Publication date standards: 30.6.1987
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Kategorie: Technické normy BS