FR661879A - Vertical dredge - Google Patents

Vertical dredge

Info

Publication number
FR661879A
FR661879A FR661879DA FR661879A FR 661879 A FR661879 A FR 661879A FR 661879D A FR661879D A FR 661879DA FR 661879 A FR661879 A FR 661879A
Authority
FR
France
Prior art keywords
vertical dredge
dredge
vertical
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
Claude Bonnet
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 FR661879A publication Critical patent/FR661879A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B11/00Other drilling tools
    • E21B11/06Other drilling tools with driven cutting chains or similarly driven tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR661879D 1928-01-30 1928-01-30 Vertical dredge Expired FR661879A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR661879T 1928-01-30

Publications (1)

Publication Number Publication Date
FR661879A true FR661879A (en) 1929-07-31

Family

ID=9011165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR661879D Expired FR661879A (en) 1928-01-30 1928-01-30 Vertical dredge

Country Status (1)

Country Link
FR (1) FR661879A (en)

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