Writing pad for temporary notatins,申请号US19480044193-传众专利搜索

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发明名称	Writing pad for temporary notatins
摘要
申请公布号	US2596890(A)	申请公布日期	1952.05.13
申请号	US19480044193	申请日期	1948.08.13
申请人	DECHERT GEORGE W	发明人	DECHERT GEORGE W.
分类号	B43L1/12	主分类号	B43L1/12
代理机构		代理人
主权项
地址

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