AURICOLARE PER COMUNICAZIONI SONICHE,申请号IT19890047983-传众专利搜索

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发明名称	AURICOLARE PER COMUNICAZIONI SONICHE
摘要
申请公布号	IT1231790(B)	申请公布日期	1992.01.14
申请号	IT19890047983	申请日期	1989.05.23
申请人	STEEN B. RASMUSSEN	发明人	STEEN B. RASMUSSEN
分类号	H04R1/10;A61F11/08;H04M1/05;H04R1/00;H04R1/46;(IPC1-7):A61F/	主分类号	H04R1/10
代理机构		代理人
主权项
地址

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