BS 1975:1957

Specification. Primary cells and batteries for intrinsically safe circuits in coal mines.

NORMA vydaná dňa 1.1.1957

The information about the standard:

Designation standards: BS 1975:1957
Note: NEPLATNÁ
Publication date standards: 1.1.1957
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS