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发明名称
摘要
申请公布号
JPS54173221(U)
申请公布日期
1979.12.07
申请号
JP19780072151U
申请日期
1978.05.27
申请人
发明人
分类号
H02P23/00;H02P7/288;H02P25/04;H02P27/02;(IPC1-7):H02P5/16;H02P5/40
主分类号
H02P23/00
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代理人
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