Fastener for display characters,申请号US19300449964-传众专利搜索

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发明名称	Fastener for display characters
摘要
申请公布号	US1812933(A)	申请公布日期	1931.07.07
申请号	US19300449964	申请日期	1930.05.05
申请人	JAMES COOKE	发明人	COOKE JAMES
分类号	G09F7/02	主分类号	G09F7/02
代理机构		代理人
主权项
地址

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