Improvements relating to advertising signs,申请号GB19300016375-传众专利搜索

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发明名称	Improvements relating to advertising signs
摘要
申请公布号	GB352662(A)	申请公布日期	1931.07.16
申请号	GB19300016375	申请日期	1930.05.27
申请人	LUBECAWERKE, G.M.B.H.	发明人
分类号	G02B5/128;G09F13/16	主分类号	G02B5/128
代理机构		代理人
主权项
地址

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