Improvements in or relating to electrical indicating or display devices,申请号GB19290036084-传众专利搜索

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发明名称	Improvements in or relating to electrical indicating or display devices
摘要
申请公布号	GB344347(A)	申请公布日期	1931.02.25
申请号	GB19290036084	申请日期	1929.11.25
申请人	AUTOMATIC TELEPHONE MANUFACTURING COMPANY LIMITED;LANCELOT MARTIN SIMPSON	发明人
分类号	A63B71/06	主分类号	A63B71/06
代理机构		代理人
主权项
地址

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