,申请号BED657120-传众专利搜索

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发明名称
摘要
申请公布号	BE657120(A)	申请公布日期	1965.06.15
申请号	BED657120	申请日期	1964.12.15
申请人		发明人
分类号	H04Q1/20	主分类号	H04Q1/20
代理机构		代理人
主权项
地址

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