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BSI BS 4521-1.1:1971

Current Revision

Specification for railway turnouts for private users. Turnouts over which British Railways locomotives operate. Turnouts using bull head rails

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REAFFIRMED IN 2010

SDO BSI: British Standards Institution
Document Number BS 4521
Publication Date May 12, 1971
Language en - English
Page Count 30
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
May 12, 1971 BS 4521-1.1:1971 Revision