Ningbo master soken electrical co . , ltd 宁波万事达综研电气公司
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Hangzhou soken electric co . , ltd 杭州总研电气有限公司
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Soken electric co . , ltd . was established in 1974 by several technical staff of japanese governmental institute etl electrotechnical laboratory and jemic japan electric meters inspection corp . 同时显示电阻和温度,提供高效率和高精确度测量激磁线圈的电阻值及绕组温升。
