FR469389A - Aspirateur d'air - Google Patents

Aspirateur d'air

Info

Publication number
FR469389A
FR469389A FR469389DA FR469389A FR 469389 A FR469389 A FR 469389A FR 469389D A FR469389D A FR 469389DA FR 469389 A FR469389 A FR 469389A
Authority
FR
France
Prior art keywords
air vacuum
vacuum
air
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA VENTILATOREN GmbH
Original Assignee
ETA VENTILATOREN GmbH
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 by ETA VENTILATOREN GmbH filed Critical ETA VENTILATOREN GmbH
Application granted granted Critical
Publication of FR469389A publication Critical patent/FR469389A/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
    • F24F7/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR469389D 1913-04-12 1914-03-07 Aspirateur d'air Expired FR469389A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT469389X 1913-04-12

Publications (1)

Publication Number Publication Date
FR469389A true FR469389A (fr) 1914-07-30

Family

ID=1507848

Family Applications (1)

Application Number Title Priority Date Filing Date
FR469389D Expired FR469389A (fr) 1913-04-12 1914-03-07 Aspirateur d'air

Country Status (1)

Country Link
FR (1) FR469389A (fr)

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