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发明名称
摘要
申请公布号
JPS519218(U)
申请公布日期
1976.01.23
申请号
JP19740079771U
申请日期
1974.07.08
申请人
发明人
分类号
H02M7/155;(IPC1-7):H02M7/155;H02M1/18
主分类号
H02M7/155
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代理人
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