BS 469:1932

Specification for electric lamps for railway signalling.

NORMA vydaná dňa 1.10.1937

The information about the standard:

Designation standards: BS 469:1932
Note: NEPLATNÁ
Publication date standards: 1.10.1937
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS