BS-5125 › Complete Document History
Specification for 50 A 650 V flameproof, restrained and bolted plugs and sockets for use in coal mines
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1990 EDITION - REAFFIRMED IN 2011 - Jan. 1, 1990
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Obsolete Revision Information: |
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1974 EDITION - OBSOLETE EDITION - Jan. 1, 1974
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