IS: 1248 (Pt. 5) - 1983; Specification for direct acting indicating analogue electrical measuring instruments and their accessories Part 5 Phase meters, Power factor meters and synchroscopes
IS: 1248 (Pt. 5) - 1983; Specification for direct acting indicating analogue electrical measuring instruments and their accessories Part 5 Phase meters, Power factor meters and synchroscopes
- New Delhi BIS 1984
- 14p
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