AU1721328A - Rock drills - Google Patents

Rock drills

Info

Publication number
AU1721328A
AU1721328A AU17213/28A AU1721328A AU1721328A AU 1721328 A AU1721328 A AU 1721328A AU 17213/28 A AU17213/28 A AU 17213/28A AU 1721328 A AU1721328 A AU 1721328A AU 1721328 A AU1721328 A AU 1721328A
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
AU17213/28A
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 AU1721328A publication Critical patent/AU1721328A/en
Expired legal-status Critical Current

Links

AU17213/28A 1928-12-04 Rock drills Expired AU1721328A (en)

Publications (1)

Publication Number Publication Date
AU1721328A true AU1721328A (en) 1929-07-30

Family

ID=

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