UM DEN HALS TRAGBARE LAUTSPRECHERANORDNUNG,申请号DE19780003947U-传众专利搜索

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发明名称	UM DEN HALS TRAGBARE LAUTSPRECHERANORDNUNG
摘要
申请公布号	DE7803947(U1)	申请公布日期	1981.01.08
申请号	DE19780003947U	申请日期	1978.02.10
申请人	HASS, WILLIAM JAMES, NORTHBROOK, ILL. (V.ST.A.)	发明人
分类号	H04R1/10;G11B33/02;G11B33/06;H04B1/08;H04M1/05;H04R1/00;H04R5/02;(IPC1-7):H04R1/10	主分类号	H04R1/10
代理机构		代理人
主权项
地址

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