FR626342A - Improvements to ventilation devices - Google Patents

Improvements to ventilation devices

Info

Publication number
FR626342A
FR626342A FR626342DA FR626342A FR 626342 A FR626342 A FR 626342A FR 626342D A FR626342D A FR 626342DA FR 626342 A FR626342 A FR 626342A
Authority
FR
France
Prior art keywords
ventilation devices
ventilation
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Louis-Alphonse Jourdain
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR626342A publication Critical patent/FR626342A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • 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
FR626342D 1926-12-16 1926-12-16 Improvements to ventilation devices Expired FR626342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR626342T 1926-12-16

Publications (1)

Publication Number Publication Date
FR626342A true FR626342A (en) 1927-09-03

Family

ID=8988300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR626342D Expired FR626342A (en) 1926-12-16 1926-12-16 Improvements to ventilation devices

Country Status (1)

Country Link
FR (1) FR626342A (en)

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