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发明名称
摘要
申请公布号
JPS53146074(U)
申请公布日期
1978.11.17
申请号
JP19770051599U
申请日期
1977.04.22
申请人
发明人
分类号
H01H13/70;H01H13/56;(IPC1-7):H01H13/70
主分类号
H01H13/70
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