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发明名称
空気砲
摘要
<p>【課題】空気放出口の形状を容易に変更可能な、教材等として用いるに適した空気砲を提供する。【解決手段】1つの開口部を有し、シート状の物で形成されている有底 筒状の容器からなる。開口部は前面には空気放出口形成部材3を保持すると共にその空気放出口形成部材3を脱着自在に取り換えるための差し込み口部材2を設けた。【選択図】図1</p>
申请公布号
JP3153842(U)
申请公布日期
2009.09.24
申请号
JP20090003425U
申请日期
2009.04.28
申请人
有限会社 オフィスビッグバン
发明人
北沢 善一
分类号
G09B23/12;A63H33/18
主分类号
G09B23/12
代理机构
代理人
主权项
地址
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