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摘要
申请公布号
JPS52140027(U)
申请公布日期
1977.10.24
申请号
JP19760048842U
申请日期
1976.04.19
申请人
发明人
分类号
H02M3/28;H02M3/335;H02M7/537;H02M7/538;(IPC1-7):H02M7/537
主分类号
H02M3/28
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