
Specification for electric lamps for railway signalling.
NORM herausgegeben am 23.12.1960
Designation standards: BS 469:1960
Note: UNGÜLTIG
Publication date standards: 23.12.1960
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: British technical standard
Kategorie: Technische Normen BS