IS: 1885 (Part 62) - 1993/IEC 50 (212) - 1990; Electrotechnical vocabulary Part 62 insulating solids, liquids and gases
IS: 1885 (Part 62) - 1993/IEC 50 (212) - 1990; Electrotechnical vocabulary Part 62 insulating solids, liquids and gases
- New Delhi BIS 1993
- 20p
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