NL7207460A - - Google Patents
Info
- Publication number
- NL7207460A NL7207460A NL7207460A NL7207460A NL7207460A NL 7207460 A NL7207460 A NL 7207460A NL 7207460 A NL7207460 A NL 7207460A NL 7207460 A NL7207460 A NL 7207460A NL 7207460 A NL7207460 A NL 7207460A
- Authority
- NL
- Netherlands
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
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
-
- 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
- F24F7/02—Roof ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Building Environments (AREA)
- Body Structure For Vehicles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1855871A GB1393871A (en) | 1971-06-02 | 1971-06-02 | Ventilators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7207460A true NL7207460A (xx) | 1972-12-05 |
Family
ID=10114513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7207460A NL7207460A (xx) | 1971-06-02 | 1972-06-01 |
Country Status (9)
| Country | Link |
|---|---|
| AU (1) | AU464865B2 (xx) |
| BE (1) | BE784371A (xx) |
| DE (1) | DE2226420C3 (xx) |
| FR (1) | FR2140183B1 (xx) |
| GB (1) | GB1393871A (xx) |
| IT (1) | IT955981B (xx) |
| NL (1) | NL7207460A (xx) |
| SE (1) | SE7207203L (xx) |
| ZA (1) | ZA723738B (xx) |
-
1971
- 1971-06-02 GB GB1855871A patent/GB1393871A/en not_active Expired
-
1972
- 1972-05-29 IT IT25017/72A patent/IT955981B/it active
- 1972-05-30 AU AU42864/72A patent/AU464865B2/en not_active Expired
- 1972-05-30 ZA ZA723738A patent/ZA723738B/xx unknown
- 1972-05-31 DE DE2226420A patent/DE2226420C3/de not_active Expired
- 1972-06-01 NL NL7207460A patent/NL7207460A/xx not_active Application Discontinuation
- 1972-06-01 SE SE720372A patent/SE7207203L/sv unknown
- 1972-06-02 FR FR7219860A patent/FR2140183B1/fr not_active Expired
- 1972-06-02 BE BE784371A patent/BE784371A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU4286472A (en) | 1973-12-06 |
| BE784371A (fr) | 1972-10-02 |
| FR2140183A1 (xx) | 1973-01-12 |
| AU464865B2 (en) | 1975-09-11 |
| SE7207203L (en) | 1972-12-04 |
| DE2226420A1 (de) | 1972-12-14 |
| DE2226420C3 (de) | 1979-06-13 |
| GB1393871A (en) | 1975-05-14 |
| DE2226420B2 (de) | 1978-10-12 |
| ZA723738B (en) | 1973-03-28 |
| FR2140183B1 (xx) | 1977-06-17 |
| IT955981B (it) | 1973-09-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed |