NL7212787A - - Google Patents
Info
- Publication number
- NL7212787A NL7212787A NL7212787A NL7212787A NL7212787A NL 7212787 A NL7212787 A NL 7212787A NL 7212787 A NL7212787 A NL 7212787A NL 7212787 A NL7212787 A NL 7212787A NL 7212787 A NL7212787 A NL 7212787A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7212787A NL7212787A (de) | 1972-09-21 | 1972-09-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7212787A NL7212787A (de) | 1972-09-21 | 1972-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7212787A true NL7212787A (de) | 1974-03-25 |
Family
ID=19816985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7212787A NL7212787A (de) | 1972-09-21 | 1972-09-21 |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL7212787A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2389075A1 (fr) * | 1977-04-29 | 1978-11-24 | Gretsch Unitas Gmbh | Aerateur coulissant combine avec une garde contre les intemperies |
-
1972
- 1972-09-21 NL NL7212787A patent/NL7212787A/xx not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2389075A1 (fr) * | 1977-04-29 | 1978-11-24 | Gretsch Unitas Gmbh | Aerateur coulissant combine avec une garde contre les intemperies |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |