BS 355:1939

Mining-type transformers.

NORMA vydaná dňa 7.9.1959

The information about the standard:

Designation standards: BS 355:1939
Note: NEPLATNÁ
Publication date standards: 7.9.1959
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS