BS 161:1928

Tungsten filament electric lamps.

NORMA vydaná dňa 10.12.1928

The information about the standard:

Designation standards: BS 161:1928
Note: NEPLATNÁ
Publication date standards: 10.12.1928
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS