Ordinary-size bayonet lamp-holders for voltages not exceeding 260 volts.
NORM herausgegeben am 1.9.1927
Designation standards: BS 52:1927
Note: UNGÜLTIG
Publication date standards: 1.9.1927
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS