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发明名称
摘要
申请公布号
JPS645985(Y2)
申请公布日期
1989.02.15
申请号
JP19840084844U
申请日期
1984.06.07
申请人
发明人
分类号
H03H7/01;H02M3/28;H03H7/09;(IPC1-7):H02M3/28
主分类号
H03H7/01
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代理人
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