Improvements in and relating to devices on telephonographs for switching them off after completed reproduction,申请号GB19480010576-传众专利搜索

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发明名称	Improvements in and relating to devices on telephonographs for switching them off after completed reproduction
摘要
申请公布号	GB656922(A)	申请公布日期	1951.09.05
申请号	GB19480010576	申请日期	1948.04.16
申请人	DAPHNE INVESTMENT TRUST	发明人
分类号	H04M1/654	主分类号	H04M1/654
代理机构		代理人
主权项
地址

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