Improvements in or relating to recording systems,申请号GB19530022690-传众专利搜索

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发明名称	Improvements in or relating to recording systems
摘要
申请公布号	GB747425(A)	申请公布日期	1956.04.04
申请号	GB19530022690	申请日期	1953.08.18
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED	发明人	BALMER STANLEY;COMYN FRANK EDGAR;ROSE BERTRAM JAMES
分类号	H04M1/65;H04M11/10	主分类号	H04M1/65
代理机构		代理人
主权项
地址

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