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Radial fan e.g. for high-speed radial fan, has blower wheel, housing which receives rotor and stator of electrical drive of blower wheel shaft and cooling system
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Radial fan e.g. for high-speed radial fan, has blower wheel, housing which receives rotor and stator of electrical drive of blower wheel shaft and cooling system
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Rotor and screw vacuum pump
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Impeller wheel for side channel machine, e.g. compressors and vacuum pumps, has at least one guide rib between adjacent blades extending inwards into cross-sectional region(s) of radial outer edging of flow chamber
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Rotary vane vacuum pump or compressor
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Construction material for the wearing surface of a sports ground and/or playground, in particular tennis court, a process for producing such a ground, and sports ground and/or playground, in particular tennis court, having a wearing surface made of the construction material
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A surfacing for sports areas, more particularly tennis courts
