BS 535:1953

Bulbs for miners´ electric lamps.

NORMA vydaná dňa 24.2.1961

The information about the standard:

Designation standards: BS 535:1953
Note: NEPLATNÁ
Publication date standards: 24.2.1961
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS