INSTALLATION DE COMMUNICATION VERBALE DANS LES DEUX SENS,申请号BE19770174961-传众专利搜索

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发明名称	INSTALLATION DE COMMUNICATION VERBALE DANS LES DEUX SENS
摘要
申请公布号	BE851469(A1)	申请公布日期	1977.06.16
申请号	BE19770174961	申请日期	1977.02.16
申请人	HAAGE WERNER	发明人
分类号	H04M9/04;(IPC1-7):H04B/	主分类号	H04M9/04
代理机构		代理人
主权项
地址

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