Is: 1885 (Part Li/Sec 1) - 1979; Electrotechnical Vocabulary Part 51 Industrial Electroheating Secti
Indian Standards Institution
Is: 1885 (Part Li/Sec 1) - 1979; Electrotechnical Vocabulary Part 51 Industrial Electroheating Secti - BIS 1980
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Is: 1885 (Part Li/Sec 1) - 1979; Electrotechnical Vocabulary Part 51 Industrial Electroheating Secti - BIS 1980
/