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AU281155B2 - Improvements relating to drilling apparatus - Google Patents
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AU281155B2 - Improvements relating to drilling apparatus - Google Patents

Improvements relating to drilling apparatus

Info

Publication number
AU281155B2
AU281155B2 AU28501/63A AU2850163A AU281155B2 AU 281155 B2 AU281155 B2 AU 281155B2 AU 28501/63 A AU28501/63 A AU 28501/63A AU 2850163 A AU2850163 A AU 2850163A AU 281155 B2 AU281155 B2 AU 281155B2
Authority
AU
Australia
Prior art keywords
drilling apparatus
improvements relating
relating
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
AU28501/63A
Other versions
AU2850163A (en
Inventor
BURNS and MELBOURNE THOMAS JAMES
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.)
Richard Thomas and Baldwins Ltd
Original Assignee
Richard Thomas and Baldwins Ltd
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 Richard Thomas and Baldwins Ltd filed Critical Richard Thomas and Baldwins Ltd
Application granted granted Critical
Publication of AU281155B2 publication Critical patent/AU281155B2/en
Publication of AU2850163A publication Critical patent/AU2850163A/en
Expired legal-status Critical Current

Links

AU28501/63A 1962-03-28 1963-03-19 Improvements relating to drilling apparatus Expired AU281155B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB11908 1962-03-28

Publications (2)

Publication Number Publication Date
AU281155B2 true AU281155B2 (en) 1964-09-24
AU2850163A AU2850163A (en) 1964-09-24

Family

ID=

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