发明名称 OMITTED
摘要 The present invention is the idea IP designed to solve the assignment of the spindle fiber education. The education tool can be easily used by a user in a modern society by imitating the handkerchief and the spindle fiber in comparison with the existing invention. The education tool is inspected in the aspects of 1. convenience, 2. practicality, and 3. durability.
申请公布号 KR20160099042(A) 申请公布日期 2016.08.19
申请号 KR20160097894 申请日期 2016.08.01
申请人 KIM, SEUNG CHAN 发明人 KIM, SEUNG CHAN
分类号 G09B23/00;G09B23/26 主分类号 G09B23/00
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