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DRENO JACQUES
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DRENO JACQUES
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Application filed by DRENO JACQUESfiledCriticalDRENO JACQUES
Priority to FR7222276ApriorityCriticalpatent/FR2188110A1/fr
Publication of FR2188110A1publicationCriticalpatent/FR2188110A1/fr
F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
F24F7/00—Ventilation
F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit