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AU239236B2 - Improvements' in and relating toearth-drilling equipment - Google Patents
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AU239236B2 - Improvements' in and relating toearth-drilling equipment - Google Patents

Improvements' in and relating toearth-drilling equipment

Info

Publication number
AU239236B2
AU239236B2 AU58045/60A AU5804560A AU239236B2 AU 239236 B2 AU239236 B2 AU 239236B2 AU 58045/60 A AU58045/60 A AU 58045/60A AU 5804560 A AU5804560 A AU 5804560A AU 239236 B2 AU239236 B2 AU 239236B2
Authority
AU
Australia
Prior art keywords
drilling equipment
toearth
relating
relating toearth
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
AU58045/60A
Other versions
AU5804560A (en
Inventor
John Woolgar Reginald
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.)
Economic Foundations Ltd
Original Assignee
Economic Foundations Ltd
Filing date
Publication date
Application filed by Economic Foundations Ltd filed Critical Economic Foundations Ltd
Application granted granted Critical
Publication of AU239236B2 publication Critical patent/AU239236B2/en
Publication of AU5804560A publication Critical patent/AU5804560A/en
Expired legal-status Critical Current

Links

AU58045/60A 1960-03-02 Improvements' in and relating toearth-drilling equipment Expired AU239236B2 (en)

Publications (2)

Publication Number Publication Date
AU239236B2 true AU239236B2 (en) 1960-09-08
AU5804560A AU5804560A (en) 1960-09-08

Family

ID=

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