Combined memorandum device and memory tickler,申请号US19260090744-传众专利搜索

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发明名称	Combined memorandum device and memory tickler
摘要
申请公布号	US1762728(A)	申请公布日期	1930.06.10
申请号	US19260090744	申请日期	1926.02.26
申请人	MCARTHUR CHARLES J	发明人	MCARTHUR CHARLES J.
分类号	B42D19/00	主分类号	B42D19/00
代理机构		代理人
主权项
地址

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