Automatic air flow regulation device for ventilation of a premises
FR2799530A1
Air and / or fume extraction apparatus having a protective grille
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Incorporated security system for fume extractor
FR2729746A1
Improvements to devices for automatic regulation of air flows, particularly for ventilation of collective premises, and means of manual intervention on said regulation
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Improvements to modular devices allowing the assembly of smoke extraction or ventilation systems for premises.
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Improvements to devices providing the automatic distribution and regulation of air flows, particularly for ventilation of premises.
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Improvements to devices contributing to the rational ventilation of each of the premises of the same set
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Device for ventilating premises and drawing chimneys
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Arrangement of devices to facilitate the construction of apartment fireplaces and improve their performance
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Modular chimney protection device participating in the extraction of smoke and used as a register
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Device for ventilating premises and drawing chimneys
ES322594A1
Perfections in auctions of chimneys against torbellines to regularize the shot removing the hollin. (Machine-translation by Google Translate, not legally binding)
