发明名称 VARIABLE RESISTANCE WATER SKIS WITH VARIABLE RESISTANCE PADDLES
摘要 <p>Variable resistance water skis are characterized by minimum resistance of their bottom side in water during movement in one direction and maximum resistance in water during movement in the opposite direction (Figure 3). The blade of variable resistance paddle characterized by minimum resistance of their bottom side in water during movement in one direction and maximum resistance in water during movement in the opposite direction (Figure 5).</p>
申请公布号 WO2004026679(A1) 申请公布日期 2004.04.01
申请号 WO2002PL00102 申请日期 2002.12.05
申请人 HEDRYCH, ANDRZEJ 发明人 HEDRYCH, ANDRZEJ
分类号 B63H1/32;B63B35/83;B63H16/04;(IPC1-7):B63B35/83 主分类号 B63H1/32
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