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发明名称
Polyphase system
摘要
申请公布号
US1912907(A)
申请公布日期
1933.06.06
申请号
US19300420224
申请日期
1930.01.11
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
MENGELE BENNO
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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