FR2140931A5 - - Google Patents

Info

Publication number
FR2140931A5
FR2140931A5 FR7121575A FR7121575A FR2140931A5 FR 2140931 A5 FR2140931 A5 FR 2140931A5 FR 7121575 A FR7121575 A FR 7121575A FR 7121575 A FR7121575 A FR 7121575A FR 2140931 A5 FR2140931 A5 FR 2140931A5
Authority
FR
France
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
FR7121575A
Other languages
French (fr)
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.)
LETIEVANT ET CIE ETS
Original Assignee
LETIEVANT ET CIE ETS
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 LETIEVANT ET CIE ETS filed Critical LETIEVANT ET CIE ETS
Priority to FR7121575A priority Critical patent/FR2140931A5/fr
Application granted granted Critical
Publication of FR2140931A5 publication Critical patent/FR2140931A5/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
    • 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
    • F24F2007/001—Ventilation with exhausting air ducts
    • F24F2007/002—Junction box, e.g. for ducts from kitchen, toilet or bathroom

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR7121575A 1971-06-07 1971-06-07 Expired FR2140931A5 (online.php)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7121575A FR2140931A5 (online.php) 1971-06-07 1971-06-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7121575A FR2140931A5 (online.php) 1971-06-07 1971-06-07

Publications (1)

Publication Number Publication Date
FR2140931A5 true FR2140931A5 (online.php) 1973-01-19

Family

ID=9078630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121575A Expired FR2140931A5 (online.php) 1971-06-07 1971-06-07

Country Status (1)

Country Link
FR (1) FR2140931A5 (online.php)

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Legal Events

Date Code Title Description
ST Notification of lapse