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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0063912 (2002-05-23) |
우선권정보 | JP-0332288 (1999-11-24) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 11 |
Educational play apparatus and system that enables preschool and primary education to be conducted while play is taking place, and that is equipped, by a plurality of gas globes (30) being housed within a play space (S) screened-off with a screen-off member (15), so that players (Y) may have fun cap
Educational play apparatus and system that enables preschool and primary education to be conducted while play is taking place, and that is equipped, by a plurality of gas globes (30) being housed within a play space (S) screened-off with a screen-off member (15), so that players (Y) may have fun cap
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