Improvements in or relating to advertising or display devices,申请号GB19370005082-传众专利搜索

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发明名称	Improvements in or relating to advertising or display devices
摘要
申请公布号	GB496280(A)	申请公布日期	1938.11.28
申请号	GB19370005082	申请日期	1937.02.19
申请人	FRANZ CZAKER	发明人
分类号	G09F11/23	主分类号	G09F11/23
代理机构		代理人
主权项
地址

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