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发明名称
摘要
申请公布号
JPS4947173(U)
申请公布日期
1974.04.25
申请号
JP19720090202U
申请日期
1972.07.31
申请人
发明人
分类号
H01H9/02;H01H9/00;H01H13/02;H01H13/04;(IPC1-7):H01H9/00
主分类号
H01H9/02
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