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AU322411A - Improvements in rock drills - Google Patents

Improvements in rock drills

Info

Publication number
AU322411A
AU322411A AU3224/11A AU322411A AU322411A AU 322411 A AU322411 A AU 322411A AU 3224/11 A AU3224/11 A AU 3224/11A AU 322411 A AU322411 A AU 322411A AU 322411 A AU322411 A AU 322411A
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
AU3224/11A
Inventor
Edgar Hans
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU322411A publication Critical patent/AU322411A/en
Expired legal-status Critical Current

Links

AU3224/11A 1911-11-29 Improvements in rock drills Expired AU322411A (en)

Publications (1)

Publication Number Publication Date
AU322411A true AU322411A (en) 1912-02-06

Family

ID=

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