NL781C - Ventilatie-inrichting voor vertrekken, enz - Google Patents
Ventilatie-inrichting voor vertrekken, enzInfo
- Publication number
- NL781C NL781C NL1374A NL1374A NL781C NL 781 C NL781 C NL 781C NL 1374 A NL1374 A NL 1374A NL 1374 A NL1374 A NL 1374A NL 781 C NL781 C NL 781C
- Authority
- NL
- Netherlands
- Prior art keywords
- rooms
- ventilation device
- ventilation
- Prior art date
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
-
- 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)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE781X | 1911-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL781C true NL781C (nl) | 1915-08-02 |
Family
ID=84463776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1374A NL781C (nl) | 1911-10-17 | 1912-10-17 | Ventilatie-inrichting voor vertrekken, enz |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR441207A (nl) |
GB (1) | GB191217307A (nl) |
NL (1) | NL781C (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1903285A1 (en) * | 2006-09-14 | 2008-03-26 | Dir-Air Oy | An air ventilator |
-
1912
- 1912-03-11 FR FR441207A patent/FR441207A/fr not_active Expired
- 1912-07-25 GB GB191217307D patent/GB191217307A/en not_active Expired
- 1912-10-17 NL NL1374A patent/NL781C/nl active
Also Published As
Publication number | Publication date |
---|---|
FR441207A (fr) | 1912-08-01 |
GB191217307A (en) | 1913-07-24 |
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