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AU158036B2 - An improved bit for drilling holes - Google Patents
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AU158036B2 - An improved bit for drilling holes - Google Patents

An improved bit for drilling holes

Info

Publication number
AU158036B2
AU158036B2 AU15072/52A AU1507252A AU158036B2 AU 158036 B2 AU158036 B2 AU 158036B2 AU 15072/52 A AU15072/52 A AU 15072/52A AU 1507252 A AU1507252 A AU 1507252A AU 158036 B2 AU158036 B2 AU 158036B2
Authority
AU
Australia
Prior art keywords
drilling holes
improved bit
bit
improved
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
AU15072/52A
Other versions
AU1507252A (en
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.)
Raybon Ayers Lines
Original Assignee
Raybon Ayers Lines
Filing date
Publication date
Application filed by Raybon Ayers Lines filed Critical Raybon Ayers Lines
Application granted granted Critical
Publication of AU158036B2 publication Critical patent/AU158036B2/en
Publication of AU1507252A publication Critical patent/AU1507252A/en
Expired legal-status Critical Current

Links

AU15072/52A 1952-12-22 An improved bit for drilling holes Expired AU158036B2 (en)

Publications (2)

Publication Number Publication Date
AU158036B2 true AU158036B2 (en) 1953-11-26
AU1507252A AU1507252A (en) 1953-11-26

Family

ID=

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