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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