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发明名称
摘要
申请公布号
JPS642507(Y2)
申请公布日期
1989.01.20
申请号
JP19800115774U
申请日期
1980.08.15
申请人
发明人
分类号
H02H9/02;(IPC1-7):H02H9/02
主分类号
H02H9/02
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代理人
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