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AU236078B2 - Improved earth boring under-reaming tool - Google Patents
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AU236078B2 - Improved earth boring under-reaming tool - Google Patents

Improved earth boring under-reaming tool

Info

Publication number
AU236078B2
AU236078B2 AU61075/60A AU6107560A AU236078B2 AU 236078 B2 AU236078 B2 AU 236078B2 AU 61075/60 A AU61075/60 A AU 61075/60A AU 6107560 A AU6107560 A AU 6107560A AU 236078 B2 AU236078 B2 AU 236078B2
Authority
AU
Australia
Prior art keywords
earth boring
reaming tool
improved earth
boring under
under
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
AU61075/60A
Other versions
AU6107560A (en
Inventor
Wolfgang Amann and Reginald John Woolgar Gustav
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 AU6107560A publication Critical patent/AU6107560A/en
Publication of AU236078B2 publication Critical patent/AU236078B2/en
Expired legal-status Critical Current

Links

AU61075/60A 1960-06-01 Improved earth boring under-reaming tool Expired AU236078B2 (en)

Publications (2)

Publication Number Publication Date
AU6107560A AU6107560A (en) 1960-12-01
AU236078B2 true AU236078B2 (en) 1960-12-01

Family

ID=

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