BS 1745:1951

Specification for alternating-current relays for railway signalling: track relays (double-element, 2-position), line relays (single-element, 2-position).

NORMA vydaná dňa 8.6.1951

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The information about the standard:

Designation standards: BS 1745:1951
Note: NEPLATNÁ
Publication date standards: 8.6.1951
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategória: Technické normy BS