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DE19956205A1
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Window for use when replacing windows, has cranked hinges enabling controlled opening for ventilation purposes
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DE19850225A1
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Condition monitoring device for filters comprises an integrator or counter for a pulsed and/or analogue input signal
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DE19636350A1
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Fire deterrent for duct in ventilation pipe with shut=off device
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DE19619100A1
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Release or actuation element e.g. to trip sprinklers
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DE19533502A1
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Fire protector for preventing spread of flames and smoke
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Supply air device
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Ventilation system
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Exhaust fan
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Device for ventilation of an interior
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Supply air device
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Supply air device
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DE3938026A1
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VENTILATION DEVICE, ESPECIALLY FOR INTERNAL SANITARY ROOMS
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DE3930679A1
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Shut-off device against fire transmission
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EP0059767A1
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Reflecting device to be used in the technique of lighting and photography
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DE3025109A1
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Flap valve esp. for ventilation systems - consists of plate with aperture and hinged flap of polystyrene
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ATA709879A
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Sound insulation for a ventilation system
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