FR783478A - Automatic ventilation device - Google Patents

Automatic ventilation device

Info

Publication number
FR783478A
FR783478A FR783478DA FR783478A FR 783478 A FR783478 A FR 783478A FR 783478D A FR783478D A FR 783478DA FR 783478 A FR783478 A FR 783478A
Authority
FR
France
Prior art keywords
ventilation device
automatic ventilation
automatic
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
Auguste Chanard
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 FR783478A publication Critical patent/FR783478A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/009—Means for ventilating only

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR783478D 1934-02-28 1934-02-28 Automatic ventilation device Expired FR783478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR783478T 1934-02-28

Publications (1)

Publication Number Publication Date
FR783478A true FR783478A (en) 1935-07-12

Family

ID=9215923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783478D Expired FR783478A (en) 1934-02-28 1934-02-28 Automatic ventilation device

Country Status (1)

Country Link
FR (1) FR783478A (en)

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