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发明名称
摘要
申请公布号
JP2993704(B2)
申请公布日期
1999.12.27
申请号
JP19900089155
申请日期
1990.04.05
申请人
发明人
分类号
H02M5/257;H02M7/48;(IPC1-7):H02M7/48
主分类号
H02M5/257
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