Device for coating of surface of grainy or granular material
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Device for separation and removal of light impurities from grainy materials
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Centripetal force in vertical jet of loose material
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Device diffusing pneumatic separation plants for cleaning of powdery materials
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Portable freestanding stove
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Method for heating, cooling and ventilating rooms, particularly in living quarters as well as device designed to heat, cool or ventilate rooms, particularly in living quarters
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Centrifugal winnower
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Central heating water boiler
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Apparatus for separating light-weight solid impurities from grainy matter in particular from seeds of the gfrasses, cereals and pulse crops
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Screw conveyor and method of making same
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Self-cleaning screw conveyor
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Apparatus for separating light impurities from granular materials in particular seeds of cereals and legumes
