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GB8804540D0
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Tubular component for fitting inside conduits
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FR2624580A1
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CONNECTION BOX BETWEEN HORIZONTAL AND VERTICAL DUCTS OF A MECHANICAL VENTILATION SYSTEM OF A BUILDING, EQUIPPED WITH ACOUSTIC ABSORPTION MEANS
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FR2581740A1
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DEVICE FOR VENTILATION OF A PREMISES, WITH AUTOMATIC VARIATION OF THE FLOW EXTRACTED IN THE KITCHEN
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FR2520840A1
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DEVICE FOR FIXING A TUBULAR VENTILATION ELEMENT IN A HOUSEHOLD HOUSING IN A WALL
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FR2470342A2
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SLEEVE FOR MOUNTING EXTRACTION OR AIR BLOWERS IN A MECHANICAL VENTILATION SYSTEM
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FR2239930A5
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Sound-absorbent for ventilation ducts - comprises sleeve of low density material placed within duct
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FR2236377A5
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Flap for valve, window, door etc. - is urged to closed position by torsion spring strip acting as pivot pin
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ES382920A2
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Automatic air diffuser and regulator
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GB1176314A
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Controlled Flow Diffuser for Admitting Fresh Air into Buildings
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