FR687803A - Contingency curtain for weir - Google Patents

Contingency curtain for weir

Info

Publication number
FR687803A
FR687803A FR687803DA FR687803A FR 687803 A FR687803 A FR 687803A FR 687803D A FR687803D A FR 687803DA FR 687803 A FR687803 A FR 687803A
Authority
FR
France
Prior art keywords
contingency
weir
curtain
contingency curtain
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
Hermann Blum
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 FR687803A publication Critical patent/FR687803A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00—Keeping dry foundation sites or other areas in the ground
    • E02D19/02—Restraining of open water
    • E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
FR687803D 1929-01-08 1930-01-07 Contingency curtain for weir Expired FR687803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE687803X 1929-01-08

Publications (1)

Publication Number Publication Date
FR687803A true FR687803A (en) 1930-08-13

Family

ID=6598342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687803D Expired FR687803A (en) 1929-01-08 1930-01-07 Contingency curtain for weir

Country Status (1)

Country Link
FR (1) FR687803A (en)

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