BS 142:1942

Electrical protective relays.

NORMA vydaná dňa 1.1.1942

Anglicky -
Elektronické PDF (262.60 EUR)

The information about the standard:

Designation standards: BS 142:1942
Note: NEPLATNÁ
Publication date standards: 1.1.1942
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategória: Technické normy BS