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AU271310B2 - Improvements in earth boring drill - Google Patents
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AU271310B2 - Improvements in earth boring drill - Google Patents

Improvements in earth boring drill

Info

Publication number
AU271310B2
AU271310B2 AU6716/61A AU671661A AU271310B2 AU 271310 B2 AU271310 B2 AU 271310B2 AU 6716/61 A AU6716/61 A AU 6716/61A AU 671661 A AU671661 A AU 671661A AU 271310 B2 AU271310 B2 AU 271310B2
Authority
AU
Australia
Prior art keywords
earth boring
boring drill
drill
earth
boring
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
AU6716/61A
Other versions
AU671661A (en
Inventor
Ip Charles Godfrey Petti.
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.)
Phillip Charles Godfrey
Original Assignee
Phillip Charles Godfrey
Filing date
Publication date
Application filed by Phillip Charles Godfrey filed Critical Phillip Charles Godfrey
Application granted granted Critical
Publication of AU271310B2 publication Critical patent/AU271310B2/en
Publication of AU671661A publication Critical patent/AU671661A/en
Expired legal-status Critical Current

Links

AU6716/61A 1961-07-07 Improvements in earth boring drill Expired AU271310B2 (en)

Publications (2)

Publication Number Publication Date
AU271310B2 true AU271310B2 (en) 1963-10-10
AU671661A AU671661A (en) 1963-10-10

Family

ID=

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