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发明名称
摘要
申请公布号
JPS52161309(U)
申请公布日期
1977.12.07
申请号
JP19760069775U
申请日期
1976.05.31
申请人
发明人
分类号
H02M7/537;H02M7/538;(IPC1-7):H02P13/20
主分类号
H02M7/537
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代理人
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