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发明名称
摘要
申请公布号
JPS5527544(B2)
申请公布日期
1980.07.21
申请号
JP19740069314
申请日期
1974.06.17
申请人
发明人
分类号
H02H7/122;H02M1/00;H02M5/45;H02M7/515
主分类号
H02H7/122
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