IEC: 51 - 5 - 1985; Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 5 Special Requirements for Phase Meters, Power Factor Meters and Synchroscopes

IEC: 51 - 5 - 1985; Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 5 Special Requirements for Phase Meters, Power Factor Meters and Synchroscopes - Geneva IEC 1985 - 19p

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