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发明名称
Phase-sequence indicator
摘要
申请公布号
US2027864(A)
申请公布日期
1936.01.14
申请号
US19340749959
申请日期
1934.10.25
申请人
GENERAL ELECTRIC COMPANY
发明人
HAND ARTHUR R.
分类号
G01R19/14;G01R29/18
主分类号
G01R19/14
代理机构
代理人
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地址
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