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AU5380059A - An improved drill-bit - Google Patents

An improved drill-bit

Info

Publication number
AU5380059A
AU5380059A AU53800/59A AU5380059A AU5380059A AU 5380059 A AU5380059 A AU 5380059A AU 53800/59 A AU53800/59 A AU 53800/59A AU 5380059 A AU5380059 A AU 5380059A AU 5380059 A AU5380059 A AU 5380059A
Authority
AU
Australia
Prior art keywords
bit
improved drill
drill
improved
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
AU53800/59A
Other versions
AU241977B2 (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.)
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 AU5380059A publication Critical patent/AU5380059A/en
Publication of AU241977B2 publication Critical patent/AU241977B2/en
Expired legal-status Critical Current

Links

AU53800/59A 1959-10-19 An improved drill-bit Expired AU241977B2 (en)

Publications (2)

Publication Number Publication Date
AU5380059A true AU5380059A (en) 1962-10-04
AU241977B2 AU241977B2 (en) 1962-10-04

Family

ID=

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