BE439898A - - Google Patents

Info

Publication number
BE439898A
BE439898A BE439898DA BE439898A BE 439898 A BE439898 A BE 439898A BE 439898D A BE439898D A BE 439898DA BE 439898 A BE439898 A BE 439898A
Authority
BE
Belgium
Prior art keywords
threshing
sheep
sounding
envelope
drum
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE439898A publication Critical patent/BE439898A/fr

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
    • E21B11/02Boring rams

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)
  • Piles And Underground Anchors (AREA)
BE439898D BE439898A (2)

Publications (1)

Publication Number Publication Date
BE439898A true BE439898A (2)

Family

ID=97795

Family Applications (1)

Application Number Title Priority Date Filing Date
BE439898D BE439898A (2)

Country Status (1)

Country Link
BE (1) BE439898A (2)

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