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发明名称
摘要
申请公布号
JPS5228982(B1)
申请公布日期
1977.07.29
申请号
JP19710033128
申请日期
1971.05.17
申请人
发明人
分类号
H02H7/10;H02M7/537;(IPC1-7):H02H7/10;H02M7/53;H02M1/18
主分类号
H02H7/10
代理机构
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