DE122721C - - Google Patents
Info
- Publication number
- DE122721C DE122721C DENDAT122721D DE122721DA DE122721C DE 122721 C DE122721 C DE 122721C DE NDAT122721 D DENDAT122721 D DE NDAT122721D DE 122721D A DE122721D A DE 122721DA DE 122721 C DE122721 C DE 122721C
- Authority
- DE
- Germany
- Prior art keywords
- ridge
- roof
- hatch
- greenhouses
- hood
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000005764 inhibitory process Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F24F7/02—Roof ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Greenhouses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE122721C true DE122721C (cs) |
Family
ID=391623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT122721D Active DE122721C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE122721C (cs) |
-
0
- DE DENDAT122721D patent/DE122721C/de active Active
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