AU721712A - Improvements in rock drills - Google Patents

Improvements in rock drills

Info

Publication number
AU721712A
AU721712A AU7217/12A AU721712A AU721712A AU 721712 A AU721712 A AU 721712A AU 7217/12 A AU7217/12 A AU 7217/12A AU 721712 A AU721712 A AU 721712A AU 721712 A AU721712 A AU 721712A
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
AU7217/12A
Other versions
AU721712B (en
Inventor
Deitz Henry
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
Priority to AU7217/12A priority Critical patent/AU721712A/en
Publication of AU721712B publication Critical patent/AU721712B/en
Publication of AU721712A publication Critical patent/AU721712A/en
Expired legal-status Critical Current

Links

AU7217/12A 1912-11-27 Improvements in rock drills Expired AU721712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU7217/12A AU721712A (en) 1912-11-27 Improvements in rock drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU7217/12A AU721712A (en) 1912-11-27 Improvements in rock drills

Publications (2)

Publication Number Publication Date
AU721712B AU721712B (en) 1913-06-24
AU721712A true AU721712A (en) 1913-06-24

Family

ID=

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