IS: 1885 (part 72) - 1993/IEC Pub. 0050 (101) - 1977; Electrotechnical vocabulary Part 72 mathematics
IS: 1885 (part 72) - 1993/IEC Pub. 0050 (101) - 1977; Electrotechnical vocabulary Part 72 mathematics
- New Delhi BIS 1993
- 10p
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