Work sheet holding means for flat platen business machines and the like,申请号US19530361463-传众专利搜索

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发明名称	Work sheet holding means for flat platen business machines and the like
摘要
申请公布号	US2687795(A)	申请公布日期	1954.08.31
申请号	US19530361463	申请日期	1953.06.15
申请人	UNDERWOOD CORPORATION	发明人	WISE ELMER L.
分类号	B41J3/28	主分类号	B41J3/28
代理机构		代理人
主权项
地址

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