BS 23:1949

Trolley and contact wire for electric traction.

NORMA vydaná dňa 3.2.1953

The information about the standard:

Designation standards: BS 23:1949
Note: NEPLATNÁ
Publication date standards: 3.2.1953
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS