NL7309944A - - Google Patents
Info
- Publication number
- NL7309944A NL7309944A NL7309944A NL7309944A NL7309944A NL 7309944 A NL7309944 A NL 7309944A NL 7309944 A NL7309944 A NL 7309944A NL 7309944 A NL7309944 A NL 7309944A NL 7309944 A NL7309944 A NL 7309944A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7234668 | 1972-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7309944A true NL7309944A (Direct) | 1974-03-25 |
Family
ID=6632818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7309944A NL7309944A (Direct) | 1972-09-21 | 1973-07-17 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE803402A (Direct) |
| FR (1) | FR2200036A1 (Direct) |
| NL (1) | NL7309944A (Direct) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2558925B1 (fr) * | 1984-01-27 | 1988-07-01 | Oltmanns Ziegel & Kunststoff | Tuyau de drainage avec un enrobage filtrant en fibres naturelles et procede de fabrication |
-
1973
- 1973-07-17 NL NL7309944A patent/NL7309944A/xx unknown
- 1973-08-09 BE BE134394A patent/BE803402A/xx unknown
- 1973-08-10 FR FR7329420A patent/FR2200036A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE803402A (fr) | 1973-12-03 |
| FR2200036A1 (en) | 1974-04-19 |
| FR2200036B3 (Direct) | 1976-07-23 |