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发明名称
Phase sequence apparatus
摘要
申请公布号
US2121609(A)
申请公布日期
1938.06.21
申请号
US19360111860
申请日期
1936.11.20
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
POWERS ROLLA E.
分类号
G01R29/18
主分类号
G01R29/18
代理机构
代理人
主权项
地址
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