Handset support and induction pickup for telephone amplifying systems,申请号US19470762263-传众专利搜索

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发明名称	Handset support and induction pickup for telephone amplifying systems
摘要
申请公布号	US2543761(A)	申请公布日期	1951.03.06
申请号	US19470762263	申请日期	1947.07.21
申请人	DOUGLAS CHIRITE JOHN	发明人	CHIRITE JOHN DOUGLAS
分类号	H04M1/215	主分类号	H04M1/215
代理机构		代理人
主权项
地址

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