FR582741A - - Google Patents
Info
- Publication number
- FR582741A FR582741A FR582741DA FR582741A FR 582741 A FR582741 A FR 582741A FR 582741D A FR582741D A FR 582741DA FR 582741 A FR582741 A FR 582741A
- 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
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR582741A true FR582741A (ja) | 1924-12-26 |
Family
ID=1539750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR582741D Expired FR582741A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR582741A (ja) |
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0
- FR FR582741D patent/FR582741A/fr not_active Expired