Improvements in and relating to sample display cards,申请号GB19310002938-传众专利搜索

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发明名称	Improvements in and relating to sample display cards
摘要
申请公布号	GB377948(A)	申请公布日期	1932.08.04
申请号	GB19310002938	申请日期	1931.01.29
申请人	EMANUEL WANG	发明人
分类号	G09F5/04	主分类号	G09F5/04
代理机构		代理人
主权项
地址

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