发明名称 PIECE WITH MAGNETS FOR BUILDING A TOY
摘要 Provided is there a piece with a magnet for building a toy, and more particularly to a piece with a magnet for building a toy, the piece having at least two or more end and a magnet case having a magnet with south and north pole faces inside, rotatably provided on each end, capable of connecting to the other piece of the same construction, without sliding with respect to each other, by automatically enabling the north or south pole face of the one magnet to be opposite to the south or north pole face of the other magnet.
申请公布号 US2009197500(A1) 申请公布日期 2009.08.06
申请号 US20090402742 申请日期 2009.03.12
申请人 SONG KYOUNG WOON;KIM JONG SUNG 发明人 SONG KYOUNG WOON;KIM JONG SUNG
分类号 A63H33/06 主分类号 A63H33/06
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