AU111892B2 - Improvements in and relating to rock and like drills - Google Patents

Improvements in and relating to rock and like drills

Info

Publication number
AU111892B2
AU111892B2 AU1903/39A AU190339A AU111892B2 AU 111892 B2 AU111892 B2 AU 111892B2 AU 1903/39 A AU1903/39 A AU 1903/39A AU 190339 A AU190339 A AU 190339A AU 111892 B2 AU111892 B2 AU 111892B2
Authority
AU
Australia
Prior art keywords
drills
rock
relating
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
AU1903/39A
Other versions
AU190339A (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.)
Holman Brothers Ltd
Original Assignee
Holman Brothers Ltd
Filing date
Publication date
Application filed by Holman Brothers Ltd filed Critical Holman Brothers Ltd
Application granted granted Critical
Publication of AU111892B2 publication Critical patent/AU111892B2/en
Publication of AU190339A publication Critical patent/AU190339A/en
Expired legal-status Critical Current

Links

AU1903/39A 1939-04-29 Improvements in and relating to rock and like drills Expired AU111892B2 (en)

Publications (2)

Publication Number Publication Date
AU111892B2 true AU111892B2 (en) 1939-07-27
AU190339A AU190339A (en) 1939-07-27

Family

ID=

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