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发明名称
摘要
申请公布号
JPS5225645(Y2)
申请公布日期
1977.06.10
申请号
JP19720052496U
申请日期
1972.05.04
申请人
发明人
分类号
H01H37/74;H01H37/52;H01H61/00;(IPC1-7):H01H37/52
主分类号
H01H37/74
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代理人
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