IS: 2620(part 3)-2009/IEC 60076-3-2000; Power transformers part 3: Insulation levels dielectric tests and external clearances in air
BUREAUOF INDIAN STANDARDS
IS: 2620(part 3)-2009/IEC 60076-3-2000; Power transformers part 3: Insulation levels dielectric tests and external clearances in air - New Delhi BIS 2009 - 48
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IS: 2620(part 3)-2009/IEC 60076-3-2000; Power transformers part 3: Insulation levels dielectric tests and external clearances in air - New Delhi BIS 2009 - 48
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