BSI BS 1659:1950

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

Best Price Guarantee Jul 26, 1950 English 16 Pages

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BSI BS 1659:1950

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

PUBLISH DATE 1950
PAGES 16
BSI BS 1659:1950

WITHDRAWN, 8/2/2013

Relays for 2, 4 or 6 contact-arms.

Overall dimensions, electrical tests, performance.

Positioning and marking of terminals.

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