BS 469:1952

Specification for electric lamps for railway signalling.

NORMA vydána dne 2.9.1952

The information about the standard:

Designation standards: BS 469:1952
Note: NEPLATNÁ
Publication date standards: 2.9.1952
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS