Improvements in and connected with advertising machines,申请号GB19300014874-传众专利搜索

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发明名称	Improvements in and connected with advertising machines
摘要
申请公布号	GB350194(A)	申请公布日期	1931.06.11
申请号	GB19300014874	申请日期	1930.05.14
申请人	JAMES DOUGLAS PATERSON	发明人
分类号	G09F11/02	主分类号	G09F11/02
代理机构		代理人
主权项
地址

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