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发明名称
摘要
申请公布号	SU511639(A1)	申请公布日期	1976.04.25
申请号	SU19721816261	申请日期	1972.07.24
申请人		发明人
分类号	H01H19/10;H01H19/02;(IPC1-7):H01H19/02	主分类号	H01H19/10
代理机构		代理人
主权项
地址

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