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发明名称
摘要
申请公布号
JPS5220699(Y2)
申请公布日期
1977.05.12
申请号
JP19710081904U
申请日期
1971.09.09
申请人
发明人
分类号
H01H23/02;(IPC1-7):H01H23/02
主分类号
H01H23/02
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代理人
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