Discussion on the papers ????????A new null method of testing instrument transformers, and its application????????, by Mr. Shotter, ????????Some accessory apparatus for precise measurements of alternating current????????, by Messrs. Spilsbury and Arnold, and ????????Precision testing of current transformers????????, by Dr. Arnold, before the Meter and Instrument Section, 7th February, 1930

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  《Electrical Engineers, Journal of the Institution of》 |1930年第403期|共6页
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• 入库时间 2022-08-17 13:28:15