FR716944A - Ventilation device - Google Patents

Ventilation device

Info

Publication number
FR716944A
FR716944A FR716944DA FR716944A FR 716944 A FR716944 A FR 716944A FR 716944D A FR716944D A FR 716944DA FR 716944 A FR716944 A FR 716944A
Authority
FR
France
Prior art keywords
ventilation device
ventilation
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
Ernest Zimmermann
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 FR716944A publication Critical patent/FR716944A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR716944D 1931-05-12 1931-05-12 Ventilation device Expired FR716944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR716944T 1931-05-12

Publications (1)

Publication Number Publication Date
FR716944A true FR716944A (en) 1931-12-30

Family

ID=9089808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR716944D Expired FR716944A (en) 1931-05-12 1931-05-12 Ventilation device

Country Status (1)

Country Link
FR (1) FR716944A (en)

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