,申请号BED743643-传众专利搜索

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发明名称
摘要
申请公布号	BE743643(A)	申请公布日期	1970.06.23
申请号	BED743643	申请日期	1969.12.23
申请人		发明人
分类号	H01H51/32	主分类号	H01H51/32
代理机构		代理人
主权项
地址

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