DE29921942U1 - Underground irrigation and ventilation device - Google Patents
Underground irrigation and ventilation deviceInfo
- Publication number
- DE29921942U1 DE29921942U1 DE29921942U DE29921942U DE29921942U1 DE 29921942 U1 DE29921942 U1 DE 29921942U1 DE 29921942 U DE29921942 U DE 29921942U DE 29921942 U DE29921942 U DE 29921942U DE 29921942 U1 DE29921942 U1 DE 29921942U1
- Authority
- DE
- Germany
- Prior art keywords
- piece
- openings
- connection
- water
- air
- 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.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
Description
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29921942U DE29921942U1 (en) | 1999-12-15 | 1999-12-15 | Underground irrigation and ventilation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29921942U DE29921942U1 (en) | 1999-12-15 | 1999-12-15 | Underground irrigation and ventilation device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE29921942U1 true DE29921942U1 (en) | 2000-03-23 |
Family
ID=8082937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29921942U Expired - Lifetime DE29921942U1 (en) | 1999-12-15 | 1999-12-15 | Underground irrigation and ventilation device |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE29921942U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2184097A1 (en) | 2008-11-06 | 2010-05-12 | Messer Austria GmbH | Method and device for enriching irrigation water with oxygen |
-
1999
- 1999-12-15 DE DE29921942U patent/DE29921942U1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2184097A1 (en) | 2008-11-06 | 2010-05-12 | Messer Austria GmbH | Method and device for enriching irrigation water with oxygen |
DE102008056232A1 (en) | 2008-11-06 | 2010-05-20 | Messer Austria Gmbh | Process and apparatus for oxygenation of irrigation water |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20000427 |
|
R156 | Lapse of ip right after 3 years |
Effective date: 20030701 |