BS-00089 - Part 5 - 1990; Direct Acting Indicating Analogue Electrical Measuring Instruments and their Accessories Part 5 Specification for Special Requirements for Phase Meters, Power Factor Meters and Synchroscopes
BS-00089 - Part 5 - 1990; Direct Acting Indicating Analogue Electrical Measuring Instruments and their Accessories Part 5 Specification for Special Requirements for Phase Meters, Power Factor Meters and Synchroscopes
- London BSI 1990
- 12p
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