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AU447647B2 - Improved method of rock drilling and apparatus for use therein - Google Patents
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AU447647B2 - Improved method of rock drilling and apparatus for use therein - Google Patents

Improved method of rock drilling and apparatus for use therein

Info

Publication number
AU447647B2
AU447647B2 AU61732/69A AU6173269A AU447647B2 AU 447647 B2 AU447647 B2 AU 447647B2 AU 61732/69 A AU61732/69 A AU 61732/69A AU 6173269 A AU6173269 A AU 6173269A AU 447647 B2 AU447647 B2 AU 447647B2
Authority
AU
Australia
Prior art keywords
improved method
rock drilling
rock
drilling
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
AU61732/69A
Other versions
AU6173269A (en
Inventor
Leonard Abrahams Joseph
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.)
Rockfall Co Ltd
Original Assignee
Rockfall Co Ltd
Filing date
Publication date
Application filed by Rockfall Co Ltd filed Critical Rockfall Co Ltd
Application granted granted Critical
Publication of AU447647B2 publication Critical patent/AU447647B2/en
Publication of AU6173269A publication Critical patent/AU6173269A/en
Expired legal-status Critical Current

Links

AU61732/69A 1969-10-01 Improved method of rock drilling and apparatus for use therein Expired AU447647B2 (en)

Publications (2)

Publication Number Publication Date
AU447647B2 true AU447647B2 (en) 1971-04-08
AU6173269A AU6173269A (en) 1971-04-08

Family

ID=

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