AU162406B2 - Improvements in drilling machines - Google Patents

Improvements in drilling machines

Info

Publication number
AU162406B2
AU162406B2 AU10519/52A AU1051952A AU162406B2 AU 162406 B2 AU162406 B2 AU 162406B2 AU 10519/52 A AU10519/52 A AU 10519/52A AU 1051952 A AU1051952 A AU 1051952A AU 162406 B2 AU162406 B2 AU 162406B2
Authority
AU
Australia
Prior art keywords
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
AU10519/52A
Other versions
AU1051952A (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.)
National Coal Board
Original Assignee
National Coal Board
Filing date
Publication date
Application filed by National Coal Board filed Critical National Coal Board
Application granted granted Critical
Publication of AU162406B2 publication Critical patent/AU162406B2/en
Publication of AU1051952A publication Critical patent/AU1051952A/en
Expired legal-status Critical Current

Links

AU10519/52A 1952-06-06 Improvements in drilling machines Expired AU162406B2 (en)

Publications (2)

Publication Number Publication Date
AU162406B2 true AU162406B2 (en) 1952-08-07
AU1051952A AU1051952A (en) 1952-08-07

Family

ID=

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