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发明名称
摘要
申请公布号
JPS5224218(B1)
申请公布日期
1977.06.29
申请号
JP19700018948
申请日期
1970.03.06
申请人
发明人
分类号
H02H7/045;H02H7/04;(IPC1-7):H02H7/04
主分类号
H02H7/045
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代理人
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