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发明名称
摘要
申请公布号
JPS631558(Y2)
申请公布日期
1988.01.14
申请号
JP19800153430U
申请日期
1980.10.29
申请人
发明人
分类号
H02H3/33;H03K17/73;(IPC1-7):H02H3/33
主分类号
H02H3/33
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