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Drive wheel for draft box has plastic rim with rolling surface which moves along profiled rail and which has grooves at angle to horizontal
Drive wheel for draft box has plastic rim with rolling surface which moves along profiled rail and which has grooves at angle to horizontal
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机译:防风箱的驱动轮带有带轮辋的塑料轮辋,该轮辋沿异型轨运动,并具有与水平方向成一定角度的凹槽
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摘要
Drive wheel (1) for a draft box has a plastic rim with a rolling surface which moves along a profiled rail (8). The surface has grooves (10) which are at an angle of 30 -60 deg to the horizontal.
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