BS 2857:1957

Nickel-iron transformer and choke laminations.

NORMA vydaná dňa 31.5.1957

The information about the standard:

Designation standards: BS 2857:1957
Note: NEPLATNÁ
Publication date standards: 31.5.1957
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS