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AU219575B2 - Improvements in drilling machines - Google Patents
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AU219575B2 - Improvements in drilling machines - Google Patents

Improvements in drilling machines

Info

Publication number
AU219575B2
AU219575B2 AU37167/58A AU3716758A AU219575B2 AU 219575 B2 AU219575 B2 AU 219575B2 AU 37167/58 A AU37167/58 A AU 37167/58A AU 3716758 A AU3716758 A AU 3716758A AU 219575 B2 AU219575 B2 AU 219575B2
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
AU37167/58A
Other versions
AU3716758A (en
Inventor
EDWARD FLETCHER and ROBERT ERNEST DOWNING THOMAS
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.)
CLIMAX ROCK DRILL AND ENGINEERING WORKS Ltd
Original Assignee
CLIMAX ROCK DRILL AND ENGINEERING WORKS Ltd
Filing date
Publication date
Application filed by CLIMAX ROCK DRILL AND ENGINEERING WORKS Ltd filed Critical CLIMAX ROCK DRILL AND ENGINEERING WORKS Ltd
Application granted granted Critical
Publication of AU219575B2 publication Critical patent/AU219575B2/en
Publication of AU3716758A publication Critical patent/AU3716758A/en
Expired legal-status Critical Current

Links

AU37167/58A 1958-04-22 Improvements in drilling machines Expired AU219575B2 (en)

Publications (2)

Publication Number Publication Date
AU219575B2 true AU219575B2 (en) 1958-10-23
AU3716758A AU3716758A (en) 1958-10-23

Family

ID=

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