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WO03100313A1
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Device for balancing an arm pivoting about an axis of rotation, for example, an arm supporting a work station all-purpose fume or gas exhaust conduit
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EP0857528A2
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Method of producing a sheet metal fan, and fan produced thereby
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AU5134798A
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All-purpose conduit for conveying harmful fumes or gases away from a work station
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BR9611041A
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Device to purify the exhaust gas of an internal combustion engine
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AU6241196A
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A method and apparatus for purifying a gaseous mixture including molecules and/or cells of toxic or polluting substances
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EP0750950A1
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A universal connector hose for joining an extractor to an element for extracting fumes from a factory workplace
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CA2068554A1
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Elbow joint constituted by a pair of hinged arms in a single piece with corresponding clamping collars
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ITTO910413D0
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Equipment for the purification of a solution, specifically for the regeneration of waters containing polluting substances.
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EP0346301A1
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A filter for the separation of oily fumes
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EP0133845A2
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Rotor for centrifugal compressors and fans
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