SOUND PICK-UP AND REPRODUCTION DEVICE, PARTICULARLY FOR AUDIO CONFERENCES,申请号EP19880401654-传众专利搜索

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发明名称	SOUND PICK-UP AND REPRODUCTION DEVICE, PARTICULARLY FOR AUDIO CONFERENCES
摘要
申请公布号	EP0297975(B1)	申请公布日期	1992.11.04
申请号	EP19880401654	申请日期	1988.06.28
申请人	FRANCE TELECOM	发明人	RENE LARVOR
分类号	H04R27/00	主分类号	H04R27/00
代理机构		代理人
主权项
地址

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