BS 535:1973

Specification for light sources for miners´ portable electric lamps.

NORMA vydaná dňa 18.9.1979

The information about the standard:

Designation standards: BS 535:1973
Note: NEPLATNÁ
Publication date standards: 18.9.1979
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS