IS: 1885 (Part 74) - 1993/IEC 50 (151) - 1978; Electrotechnical vocabulary Part 74 electrical and magnetic devices

IS: 1885 (Part 74) - 1993/IEC 50 (151) - 1978; Electrotechnical vocabulary Part 74 electrical and magnetic devices - New Delhi BIS 1993 - 13p

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