BS 2741:1957

Recommendations for the construction of simple smoke viewers.

NORMA vydaná dňa 11.1.1957

The information about the standard:

Designation standards: BS 2741:1957
Note: NEPLATNÁ
Publication date standards: 11.1.1957
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS