AU480956B2 - Method and device for drilling toa predetermined surface - Google Patents

Method and device for drilling toa predetermined surface

Info

Publication number
AU480956B2
AU480956B2 AU68604/74A AU6860474A AU480956B2 AU 480956 B2 AU480956 B2 AU 480956B2 AU 68604/74 A AU68604/74 A AU 68604/74A AU 6860474 A AU6860474 A AU 6860474A AU 480956 B2 AU480956 B2 AU 480956B2
Authority
AU
Australia
Prior art keywords
drilling
predetermined surface
toa predetermined
toa
predetermined
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
AU68604/74A
Other versions
AU6860474A (en
Inventor
Lagerstrom Gunnar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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
Priority claimed from SE7306858A external-priority patent/SE373184B/xx
Application filed by Atlas Copco AB filed Critical Atlas Copco AB
Application granted granted Critical
Publication of AU480956B2 publication Critical patent/AU480956B2/en
Publication of AU6860474A publication Critical patent/AU6860474A/en
Expired legal-status Critical Current

Links

AU68604/74A 1973-05-15 1974-05-06 Method and device for drilling toa predetermined surface Expired AU480956B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SESE7306858- 1973-05-15
SE7306858A SE373184B (en) 1973-05-15 1973-05-15

Publications (2)

Publication Number Publication Date
AU480956B2 true AU480956B2 (en) 1975-11-06
AU6860474A AU6860474A (en) 1975-11-06

Family

ID=

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