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Hinge for drop keels of windsurf boards or sail boats
Hinge for drop keels of windsurf boards or sail boats
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机译:铰链,用于帆板或帆船的下龙骨
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摘要
To clearly define the pivotal point and the required frictional resistance of the hinge, it is proposed that the hinge form a unit with the keel in the assembled state. IMAGE
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