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Apparatus for measuring physiological characteristics of farm animals
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Gear wheel
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Storage heater
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Combine harvester for root and tuber crops
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Light for greenhouse
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Lightened reflector for greenhouses
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Method of reconditioning engine cylinders
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Centrifugal mill
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Heat accumulating air curtain
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Heat accumulator
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Workpiece joint
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Storage heater
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Method of reconditioning plain bearings
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Root-tuber rotor harvester
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Pump reclamation method
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