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AU2998163A - Improvements in drill rigs - Google Patents

Improvements in drill rigs

Info

Publication number
AU2998163A
AU2998163A AU29981/63A AU2998163A AU2998163A AU 2998163 A AU2998163 A AU 2998163A AU 29981/63 A AU29981/63 A AU 29981/63A AU 2998163 A AU2998163 A AU 2998163A AU 2998163 A AU2998163 A AU 2998163A
Authority
AU
Australia
Prior art keywords
drill rigs
rigs
drill
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
AU29981/63A
Other versions
AU273063B2 (en
Inventor
CARL OTTO LENNART OTTOSSON and KARL-ERIK QUARNSTROM KARL MAGNUS WAALBERG
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
Application filed by Atlas Copco AB filed Critical Atlas Copco AB
Application granted granted Critical
Publication of AU2998163A publication Critical patent/AU2998163A/en
Publication of AU273063B2 publication Critical patent/AU273063B2/en
Expired legal-status Critical Current

Links

AU29981/63A 1962-05-03 1963-04-29 Improvements in drill rigs Expired AU273063B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS192,186 1962-05-03

Publications (2)

Publication Number Publication Date
AU2998163A true AU2998163A (en) 1964-10-29
AU273063B2 AU273063B2 (en) 1964-10-29

Family

ID=

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