FR550832A - - Google Patents
Info
- Publication number
- FR550832A FR550832A FR550832DA FR550832A FR 550832 A FR550832 A FR 550832A FR 550832D A FR550832D A FR 550832DA FR 550832 A FR550832 A FR 550832A
- 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
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 |
|---|---|
| FR550832A true FR550832A (fr) | 1923-03-21 |
Family
ID=1538344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR550832D Expired FR550832A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR550832A (fr) |
-
0
- FR FR550832D patent/FR550832A/fr not_active Expired