BS-5126-4 › Complete Document History
Mining type flameproof supply and control units for use on systems up to 1100 V
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1993 EDITION - REAFFIRMED IN 2011 - Dec. 15, 1993
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Obsolete Revision Information: |
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1982 EDITION - SPECIFICATION FOR AIR-COOLED TRANSFORMERS TO POWER DRILLING - Jan. 1, 1982
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