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Individual
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Publication of ES283389A1publicationCriticalpatent/ES283389A1/en
Device for aerating and ventilating rooms by means of a driven fan, characterized in that at least one fan is placed inside a tubular casing between two air passage holes facing each other obliquely in the tubular casing, and this casing has to go located in its longitudinal direction in a ventilation slot provided in a part of the frame, or in a wall and in which the diameter of the housing is at most the same as the depth of the ventilation slit. (Machine-translation by Google Translate, not legally binding)
ES0283389A1961-12-291962-12-14Device for airing and ventilation of rooms through a fan (Machine-translation by Google Translate, not legally binding)
ExpiredES283389A1
(en)