AU2137329A - Rock drills - Google Patents

Rock drills

Info

Publication number
AU2137329A
AU2137329A AU21373/29A AU2137329A AU2137329A AU 2137329 A AU2137329 A AU 2137329A AU 21373/29 A AU21373/29 A AU 21373/29A AU 2137329 A AU2137329 A AU 2137329A AU 2137329 A AU2137329 A AU 2137329A
Authority
AU
Australia
Prior art keywords
rock drills
drills
rock
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
AU21373/29A
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Filing date
Publication date
Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of AU2137329A publication Critical patent/AU2137329A/en
Expired legal-status Critical Current

Links

AU21373/29A 1929-07-22 Rock drills Expired AU2137329A (en)

Publications (1)

Publication Number Publication Date
AU2137329A true AU2137329A (en) 1930-01-07

Family

ID=

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