BE785017A - Dispositif de ventilation a plusieurs etages - Google Patents
Dispositif de ventilation a plusieurs etagesInfo
- Publication number
- BE785017A BE785017A BE785017A BE785017A BE785017A BE 785017 A BE785017 A BE 785017A BE 785017 A BE785017 A BE 785017A BE 785017 A BE785017 A BE 785017A BE 785017 A BE785017 A BE 785017A
- Authority
- BE
- Belgium
- Prior art keywords
- ventilation device
- stage ventilation
- stage
- ventilation
- Prior art date
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
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20992371A | 1971-12-20 | 1971-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE785017A true BE785017A (fr) | 1972-10-16 |
Family
ID=22780897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE785017A BE785017A (fr) | 1971-12-20 | 1972-06-16 | Dispositif de ventilation a plusieurs etages |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS4869108A (fr) |
AU (1) | AU451908B2 (fr) |
BE (1) | BE785017A (fr) |
CA (1) | CA973519A (fr) |
DE (1) | DE2209886A1 (fr) |
ES (1) | ES403623A1 (fr) |
FR (1) | FR2165368A5 (fr) |
GB (1) | GB1370573A (fr) |
IT (1) | IT958183B (fr) |
NL (1) | NL7202641A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3736141A1 (de) * | 1987-10-26 | 1989-05-11 | Deutsche Forsch Luft Raumfahrt | Flugzeugpropeller |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2298576A (en) * | 1941-07-17 | 1942-10-13 | Internat Engineering Inc | Air handling apparatus |
-
1972
- 1972-02-29 NL NL7202641A patent/NL7202641A/xx unknown
- 1972-03-01 DE DE19722209886 patent/DE2209886A1/de active Pending
- 1972-05-09 CA CA141,736A patent/CA973519A/en not_active Expired
- 1972-05-11 AU AU42183/72A patent/AU451908B2/en not_active Expired
- 1972-05-22 GB GB2402672A patent/GB1370573A/en not_active Expired
- 1972-05-22 JP JP4995372A patent/JPS4869108A/ja active Pending
- 1972-05-31 IT IT5065072A patent/IT958183B/it active
- 1972-06-08 ES ES403623A patent/ES403623A1/es not_active Expired
- 1972-06-16 BE BE785017A patent/BE785017A/fr unknown
- 1972-06-16 FR FR7221834A patent/FR2165368A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT958183B (it) | 1973-10-20 |
DE2209886A1 (de) | 1973-07-05 |
FR2165368A5 (fr) | 1973-08-03 |
NL7202641A (fr) | 1972-05-25 |
CA973519A (en) | 1975-08-26 |
GB1370573A (en) | 1974-10-16 |
ES403623A1 (es) | 1975-05-01 |
AU451908B2 (en) | 1974-08-22 |
AU4218372A (en) | 1973-11-15 |
JPS4869108A (fr) | 1973-09-20 |
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