Loudspeaking telephone system,申请号GB19820007037-传众专利搜索

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发明名称	Loudspeaking telephone system
摘要
申请公布号	GB2096434(A)	申请公布日期	1982.10.13
申请号	GB19820007037	申请日期	1982.03.10
申请人	GOLD STAR TELE ELECTRIC CO LTD	发明人
分类号	H04B3/20;H04M9/08;(IPC1-7):H04B3/21	主分类号	H04B3/20
代理机构		代理人
主权项
地址

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