BS 555:1934

Tungsten filament electric lamps (other than general service lamps).

NORMA vydaná dňa 1.5.1934

The information about the standard:

Designation standards: BS 555:1934
Note: NEPLATNÁ
Publication date standards: 1.5.1934
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS