AU235294B2 - An improved rock-drilling apparatus - Google Patents

An improved rock-drilling apparatus

Info

Publication number
AU235294B2
AU235294B2 AU48889/59A AU4888959A AU235294B2 AU 235294 B2 AU235294 B2 AU 235294B2 AU 48889/59 A AU48889/59 A AU 48889/59A AU 4888959 A AU4888959 A AU 4888959A AU 235294 B2 AU235294 B2 AU 235294B2
Authority
AU
Australia
Prior art keywords
drilling apparatus
improved rock
rock
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
AU48889/59A
Other versions
AU4888959A (en
Inventor
Langdale Temple Peter
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.)
Orica Ltd
Original Assignee
Imperial Chemical Industries of Australia and New Zealand Ltd
Filing date
Publication date
Application filed by Imperial Chemical Industries of Australia and New Zealand Ltd filed Critical Imperial Chemical Industries of Australia and New Zealand Ltd
Application granted granted Critical
Publication of AU4888959A publication Critical patent/AU4888959A/en
Publication of AU235294B2 publication Critical patent/AU235294B2/en
Expired legal-status Critical Current

Links

AU48889/59A 1960-05-06 An improved rock-drilling apparatus Expired AU235294B2 (en)

Publications (2)

Publication Number Publication Date
AU4888959A AU4888959A (en) 1960-11-10
AU235294B2 true AU235294B2 (en) 1960-11-10

Family

ID=

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