AU226774B2 - Improvements in or relating to drilling machines - Google Patents

Improvements in or relating to drilling machines

Info

Publication number
AU226774B2
AU226774B2 AU43856/58A AU4385658A AU226774B2 AU 226774 B2 AU226774 B2 AU 226774B2 AU 43856/58 A AU43856/58 A AU 43856/58A AU 4385658 A AU4385658 A AU 4385658A AU 226774 B2 AU226774 B2 AU 226774B2
Authority
AU
Australia
Prior art keywords
relating
drilling machines
drilling
machines
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
AU43856/58A
Other versions
AU4385658A (en
Inventor
Selby James
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU4385658A publication Critical patent/AU4385658A/en
Publication of AU226774B2 publication Critical patent/AU226774B2/en
Expired legal-status Critical Current

Links

AU43856/58A 1958-12-02 Improvements in or relating to drilling machines Expired AU226774B2 (en)

Publications (2)

Publication Number Publication Date
AU4385658A AU4385658A (en) 1959-06-04
AU226774B2 true AU226774B2 (en) 1959-06-04

Family

ID=

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