BS 4275:1968

The selection and maintenance of respiratory protective equipment.

NORMA vydaná dňa 21.8.1970

The information about the standard:

Designation standards: BS 4275:1968
Note: NEPLATNÁ
Publication date standards: 21.8.1970
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS