Improvements in and connected with display signs,申请号GB19320006365-传众专利搜索

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发明名称	Improvements in and connected with display signs
摘要
申请公布号	GB376211(A)	申请公布日期	1932.07.07
申请号	GB19320006365	申请日期	1932.03.02
申请人	JACOB SIEBER	发明人
分类号	G09F13/14	主分类号	G09F13/14
代理机构		代理人
主权项
地址

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