Specification for engineers´ squares (including cylindrical and block squares).
NORMA vydána dne 30.9.1977
Designation standards: BS 939:1977
Note: NEPLATNÁ
Publication date standards: 30.9.1977
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: British technical standard
Kategorie: Technické normy BS