FR25716E - Aérateur - Google Patents

Aérateur

Info

Publication number
FR25716E
FR25716E FR25716DA FR25716E FR 25716 E FR25716 E FR 25716E FR 25716D A FR25716D A FR 25716DA FR 25716 E FR25716 E FR 25716E
Authority
FR
France
Prior art keywords
aerator
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
English (en)
Inventor
Pierre Willard
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 FR25716E publication Critical patent/FR25716E/fr
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
    • F24F7/02—Roof ventilation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR25716D 1921-11-28 1921-11-28 Aérateur Expired FR25716E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR25716T 1921-11-28

Publications (1)

Publication Number Publication Date
FR25716E true FR25716E (fr) 1923-05-17

Family

ID=8664207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR25716D Expired FR25716E (fr) 1921-11-28 1921-11-28 Aérateur

Country Status (1)

Country Link
FR (1) FR25716E (fr)

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