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BSI BS 4521-3.1:1974

Current Revision

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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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