BS 77:1939

Voltages for transmission and distribution a.c. systems.

NORMA vydána dne 28.9.1953

The information about the standard:

Designation standards: BS 77:1939
Note: NEPLATNÁ
Publication date standards: 28.9.1953
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS