Protective paper and ink therefor,申请号US19400345641-传众专利搜索

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发明名称	Protective paper and ink therefor
摘要
申请公布号	US2305098(A)	申请公布日期	1942.12.15
申请号	US19400345641	申请日期	1940.07.15
申请人	COLUMBIAN BANK NOTE COMPANY	发明人	MINNEAR FESTUS L.
分类号	D21H21/46	主分类号	D21H21/46
代理机构		代理人
主权项
地址

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