Bayonet lamp-caps. Lampholders and lampholder-plugs (B.C. adaptors) for voltages not exceeding 250 volts.
NORM herausgegeben am 20.7.1936
Designation standards: BS 52:1936
Note: UNGÜLTIG
Publication date standards: 20.7.1936
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS