BS 831:1939

Transformers for use with electrically-operated toys.

NORMA vydána dne 1.1.1939

The information about the standard:

Designation standards: BS 831:1939
Note: NEPLATNÁ
Publication date standards: 1.1.1939
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS