AU156264B2 - Improvements in or relating to drilling bits - Google Patents

Improvements in or relating to drilling bits

Info

Publication number
AU156264B2
AU156264B2 AU12439/52A AU1243952A AU156264B2 AU 156264 B2 AU156264 B2 AU 156264B2 AU 12439/52 A AU12439/52 A AU 12439/52A AU 1243952 A AU1243952 A AU 1243952A AU 156264 B2 AU156264 B2 AU 156264B2
Authority
AU
Australia
Prior art keywords
relating
drilling bits
drilling
bits
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
AU12439/52A
Other versions
AU1243952A (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.)
Godfrey Bros Pty Ltd
Original Assignee
Godfrey Bros Pty Ltd
Filing date
Publication date
Application filed by Godfrey Bros Pty Ltd filed Critical Godfrey Bros Pty Ltd
Application granted granted Critical
Publication of AU156264B2 publication Critical patent/AU156264B2/en
Publication of AU1243952A publication Critical patent/AU1243952A/en
Expired legal-status Critical Current

Links

AU12439/52A 1952-09-02 Improvements in or relating to drilling bits Expired AU156264B2 (en)

Publications (2)

Publication Number Publication Date
AU156264B2 true AU156264B2 (en) 1953-07-09
AU1243952A AU1243952A (en) 1953-07-09

Family

ID=

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