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发明名称
摘要
申请公布号
JPS481326(Y1)
申请公布日期
1973.01.13
申请号
JP19690051762U
申请日期
1969.06.02
申请人
发明人
分类号
H01H50/38;H01H50/42;H01H50/54;(IPC1-7):H01H50/38
主分类号
H01H50/38
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代理人
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