FR23721E - Ventilateur de poche perfectionné - Google Patents

Ventilateur de poche perfectionné

Info

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
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
Application number
FR23721A
Other languages
English (en)
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.)
CELLULOID SOC IND DE
Original Assignee
CELLULOID SOC IND DE
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 CELLULOID SOC IND DE filed Critical CELLULOID SOC IND DE
Application granted granted Critical
Publication of FR23721E publication Critical patent/FR23721E/fr
Expired legal-status Critical Current

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)
FR23721A 1920-10-23 1920-10-23 Ventilateur de poche perfectionné Expired FR23721E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR23721T 1920-10-23

Publications (1)

Publication Number Publication Date
FR23721E true FR23721E (fr) 1921-12-15

Family

ID=8662428

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23721A Expired FR23721E (fr) 1920-10-23 1920-10-23 Ventilateur de poche perfectionné

Country Status (1)

Country Link
FR (1) FR23721E (fr)

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