BS 161:1937

Tungsten filament general service electric lamps.

NORMA vydána dne 1.11.1937

The information about the standard:

Designation standards: BS 161:1937
Note: NEPLATNÁ
Publication date standards: 1.11.1937
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS