FR23721E - Advanced pocket fan - Google Patents
Advanced pocket fanInfo
- Publication number
- FR23721E FR23721E FR23721A FR23721DA FR23721E FR 23721 E FR23721 E FR 23721E FR 23721 A FR23721 A FR 23721A FR 23721D A FR23721D A FR 23721DA FR 23721 E FR23721 E FR 23721E
- Authority
- FR
- France
- Prior art keywords
- advanced
- pocket fan
- fan
- advanced pocket
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
- F04D25/086—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans hand operated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR23721T | 1920-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR23721E true FR23721E (en) | 1921-12-15 |
Family
ID=8662428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR23721A Expired FR23721E (en) | 1920-10-23 | 1920-10-23 | Advanced pocket fan |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR23721E (en) |
-
1920
- 1920-10-23 FR FR23721A patent/FR23721E/en not_active Expired
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