发明名称 CARD HANGER TYPE LESSONING INSTRUMENT
摘要 PURPOSE: A card hanger type lessoning instrument is provided to improve the education convenience by making it possible for cards to be attachable to a board. CONSTITUTION: A card hanger type lessoning instrument includes a card(10) formed in a letter, a number or a specific shape and a lesson board(20) having a size that can attach a lot of the cards and made of a material same as that of the card(10). The card(10) is provided with a hole(16) and the lesson board(20) is provided with a plurality of holding parts(30) in which the hole(16) of the card(10) is hooked so that the card can be hung on the board(20). The holding parts(30) includes a body(32) and a head(34) formed on one end of the body and provided with a step(36).
申请公布号 KR20000038974(A) 申请公布日期 2000.07.05
申请号 KR19980054162 申请日期 1998.12.10
申请人 GO, JONG TAEK 发明人 GO, JONG TAEK
分类号 G09B1/10;(IPC1-7):G09B1/10 主分类号 G09B1/10
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