BS 1659:1950

Specification for tractive armature direct current neutral track and line relays for railway signalling.

NORMA vydaná dňa 26.7.1950

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The information about the standard:

Designation standards: BS 1659:1950
Note: NEPLATNÁ
Publication date standards: 26.7.1950
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategória: Technické normy BS