AU109059B2 - Improvements in or relating to rock drills - Google Patents

Improvements in or relating to rock drills

Info

Publication number
AU109059B2
AU109059B2 AU2205/39A AU220539A AU109059B2 AU 109059 B2 AU109059 B2 AU 109059B2 AU 2205/39 A AU2205/39 A AU 2205/39A AU 220539 A AU220539 A AU 220539A AU 109059 B2 AU109059 B2 AU 109059B2
Authority
AU
Australia
Prior art keywords
relating
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
AU2205/39A
Other versions
AU220539A (en
Inventor
William Augustus Smith, Sr
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
Application granted granted Critical
Publication of AU109059B2 publication Critical patent/AU109059B2/en
Publication of AU220539A publication Critical patent/AU220539A/en
Expired legal-status Critical Current

Links

AU2205/39A 1939-05-18 Improvements in or relating to rock drills Expired AU109059B2 (en)

Publications (2)

Publication Number Publication Date
AU109059B2 true AU109059B2 (en) 1939-11-23
AU220539A AU220539A (en) 1939-11-23

Family

ID=

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