发明名称 AIR ASSISTED SKI WITH AIR RECEIVING VENTS
摘要 <p>An air-assisted ski for snow or water having a plurality of air receiving vents opening into longitudinally disposed grooves on the running surface of the ski, the air receiving vents acting to force air into the grooves to improve to forward motion of the ski.</p>
申请公布号 CA1059173(A) 申请公布日期 1979.07.24
申请号 CA19770272573 申请日期 1977.02.24
申请人 HOPPER, DOUGLAS H. 发明人 HOPPER, DOUGLAS H.
分类号 A63C5/06;(IPC1-7):63C5/00 主分类号 A63C5/06
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