BS 81:1927

Instrument transformers.

NORMA vydaná dňa 1.5.1929

The information about the standard:

Designation standards: BS 81:1927
Note: NEPLATNÁ
Publication date standards: 1.5.1929
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS