AU270082B2 - Drilling apparatus - Google Patents

Drilling apparatus

Info

Publication number
AU270082B2
AU270082B2 AU29311/63A AU2931163A AU270082B2 AU 270082 B2 AU270082 B2 AU 270082B2 AU 29311/63 A AU29311/63 A AU 29311/63A AU 2931163 A AU2931163 A AU 2931163A AU 270082 B2 AU270082 B2 AU 270082B2
Authority
AU
Australia
Prior art keywords
drilling apparatus
drilling
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
AU29311/63A
Other versions
AU2931163A (en
Inventor
HEINZ KURT and JOHN W. ADAMS EWALD
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of AU270082B2 publication Critical patent/AU270082B2/en
Publication of AU2931163A publication Critical patent/AU2931163A/en
Expired legal-status Critical Current

Links

AU29311/63A 1962-04-09 1963-04-08 Drilling apparatus Expired AU270082B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS186,248 1962-04-09

Publications (2)

Publication Number Publication Date
AU270082B2 true AU270082B2 (en) 1964-10-08
AU2931163A AU2931163A (en) 1964-10-08

Family

ID=

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