BS-00089 - Part 3 - 1990; Direct Acting Indicating Analogue Electrical Measuring Instruments and their Accessories Part 3 Specification for Special Requirements for Wattmeters and Varmeters
BS-00089 - Part 3 - 1990; Direct Acting Indicating Analogue Electrical Measuring Instruments and their Accessories Part 3 Specification for Special Requirements for Wattmeters and Varmeters
- London BSI 1990
- 16p
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