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发明名称
摘要
申请公布号
JPS5233303(B1)
申请公布日期
1977.08.27
申请号
JP19710034040
申请日期
1971.05.21
申请人
发明人
分类号
H01H45/02;H01H50/02;(IPC1-7):H01H45/02
主分类号
H01H45/02
代理机构
代理人
主权项
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