发明授权
US4986202A Light dropkeel boat with sliding means to control the transverse balance thereof 失效
具有滑动装置的轻型吊架船,以控制其横向平衡

Light dropkeel boat with sliding means to control the transverse balance
thereof
摘要:
A light sailboat is provided with a transversely disposed sliding rail which extends from one side of the boat to the other. The sailboat is also provided with a seat which slides freely along this sliding rail.
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