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Mining type flameproof supply and control units for use on systems up to 1100 V part 3 : specification for air-cooled lighting transformer units

By: BRITISH STANDARDS INSTITUTIONLanguage: EN Publisher: London BSI 1993Edition: 2nd edDescription: ii, 18pSubject(s): BRITISH STANDARDS | MINES AND MINING-Power supply | TRANSFORMERS-Standards
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