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IS 2026 / 1977 Part 1 to 5 Power Transformer |
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IS 1885 / 1977 Part 38 Electrical Vocabulary |
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IS 12977 / 1970 Arc Furnace Transformer |
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IS 5553 / 1990 Part 1 to 8 Reactors |
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IS 1180 for distribution Transformer |
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IEC 60076 Part 1-5 and 11 for power Transformer |