BS 142:1927

Electrical protective relays.

NORMA vydaná dňa 1.5.1929

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The information about the standard:

Designation standards: BS 142:1927
Note: NEPLATNÁ
Publication date standards: 1.5.1929
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategória: Technické normy BS