ACOUSTIC TRANSMITTING AND RECEIVING UNIT,申请号GB19930014327-传众专利搜索

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发明名称	ACOUSTIC TRANSMITTING AND RECEIVING UNIT
摘要
申请公布号	GB9314327(D0)	申请公布日期	1993.08.25
申请号	GB19930014327	申请日期	1993.07.09
申请人	GEC-MARCONI LTD.	发明人
分类号	G01S7/521;G01S15/93;H04R19/02;H04R19/04	主分类号	G01S7/521
代理机构		代理人
主权项
地址

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