BS 764:1937

Specification. Automatic change-over switches and contactors for emergency lighting systems.

NORMA vydaná dňa 13.12.1937

The information about the standard:

Designation standards: BS 764:1937
Note: NEPLATNÁ
Publication date standards: 13.12.1937
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS