BS 161:1930

Tungsten filament electric lamps.

NORMA vydána dne 13.10.1930

The information about the standard:

Designation standards: BS 161:1930
Note: NEPLATNÁ
Publication date standards: 13.10.1930
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS