发明名称 CCOL DAE FILE WITH SPRING
摘要 PURPOSE: A stick file is provided to solve problem when using stick file according to the thickness of the document in spring stick file. CONSTITUTION: In ordinary stick file, the spring stick file has special feature of managing various amount of documents having form of stick combined with spring(1) and file connected to the stick which unites with spring and blades(2) of spring and stick.
申请公布号 KR20110080436(A) 申请公布日期 2011.07.13
申请号 KR20100000672 申请日期 2010.01.06
申请人 SEO, YOUNG SEOG 发明人 SEO, YOUNG SEOG
分类号 B42F1/02;B42F1/00 主分类号 B42F1/02
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