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BSI BS 4521-3.1:1974

Specification for railway turnouts for private users. Medium grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 25 tons. Turnouts using bull head rail
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BSI BS 4521-3.1:1974

Specification for railway turnouts for private users. Medium grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 25 tons. Turnouts using bull head rail

PUBLISH DATE 1974
PAGES 42
BSI BS 4521-3.1:1974
REAFFIRMED IN 2010
SDO BSI: British Standards Institution
Document Number BS 4521
Publication Date Dec. 31, 1974
Language en - English
Page Count 42
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Dec. 31, 1974 BS 4521-3.1:1974 Revision