NL6516019A - - Google Patents

Info

Publication number
NL6516019A
NL6516019A NL6516019A NL6516019A NL6516019A NL 6516019 A NL6516019 A NL 6516019A NL 6516019 A NL6516019 A NL 6516019A NL 6516019 A NL6516019 A NL 6516019A NL 6516019 A NL6516019 A NL 6516019A
Authority
NL
Netherlands
Application number
NL6516019A
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
Priority to NL6516019A priority Critical patent/NL6516019A/xx
Publication of NL6516019A publication Critical patent/NL6516019A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details

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)
NL6516019A 1965-12-09 1965-12-09 NL6516019A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL6516019A NL6516019A (zh) 1965-12-09 1965-12-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6516019A NL6516019A (zh) 1965-12-09 1965-12-09

Publications (1)

Publication Number Publication Date
NL6516019A true NL6516019A (zh) 1967-06-12

Family

ID=19794864

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6516019A NL6516019A (zh) 1965-12-09 1965-12-09

Country Status (1)

Country Link
NL (1) NL6516019A (zh)

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