BS 161:1924

Normal type tungsten filament for electric lamps.

NORMA vydána dne 19.7.1924

The information about the standard:

Designation standards: BS 161:1924
Note: NEPLATNÁ
Publication date standards: 19.7.1924
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS