Personenopzoeksystem met meerdere spreekwegen,申请号BE19620619428-传众专利搜索

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发明名称	Personenopzoeksystem met meerdere spreekwegen
摘要
申请公布号	BE619428(A2)	申请公布日期	1962.12.27
申请号	BE19620619428	申请日期	1962.06.27
申请人	BELL TELEPHONE MANUFACTURING COMPANY, NAAMLOZ E VENNOOTSCHAP	发明人	W. KLEIN
分类号	H01H71/74;(IPC1-7):H04H	主分类号	H01H71/74
代理机构		代理人
主权项
地址

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