FR989409A - Underground irrigation-drains - Google Patents

Underground irrigation-drains

Info

Publication number
FR989409A
FR989409A FR989409DA FR989409A FR 989409 A FR989409 A FR 989409A FR 989409D A FR989409D A FR 989409DA FR 989409 A FR989409 A FR 989409A
Authority
FR
France
Prior art keywords
drains
underground irrigation
irrigation
underground
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
Application number
Other languages
French (fr)
Inventor
Marius-Louis Lalanne
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR989409A publication Critical patent/FR989409A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
    • 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)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
FR989409D 1949-06-22 1949-06-22 Underground irrigation-drains Expired FR989409A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR989409T 1949-06-22

Publications (1)

Publication Number Publication Date
FR989409A true FR989409A (en) 1951-09-10

Family

ID=9540217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989409D Expired FR989409A (en) 1949-06-22 1949-06-22 Underground irrigation-drains

Country Status (1)

Country Link
FR (1) FR989409A (en)

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