BS 679:1959

Specification for filters for use during welding and similar industrial operations.

NORMA vydaná dňa 28.2.1977

The information about the standard:

Designation standards: BS 679:1959
Note: NEPLATNÁ
Publication date standards: 28.2.1977
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS