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发明名称
摘要
申请公布号
JPS5282020(U)
申请公布日期
1977.06.18
申请号
JP19750171321U
申请日期
1975.12.17
申请人
发明人
分类号
H02M7/537;H02M7/538;(IPC1-7):H02M7/537
主分类号
H02M7/537
代理机构
代理人
主权项
地址
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