END-FIRE MICROPHONE AND LOUDSPEAKER STRUCTURES,申请号GB19820016626-传众专利搜索

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发明名称	END-FIRE MICROPHONE AND LOUDSPEAKER STRUCTURES
摘要
申请公布号	GB2100551(A)	申请公布日期	1982.12.22
申请号	GB19820016626	申请日期	1982.06.08
申请人	WE	发明人
分类号	H04R1/34;(IPC1-7):H04R1/34	主分类号	H04R1/34
代理机构		代理人
主权项
地址

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