AU1818820A - Rock drills - Google Patents

Rock drills

Info

Publication number
AU1818820A
AU1818820A AU18188/20A AU1818820A AU1818820A AU 1818820 A AU1818820 A AU 1818820A AU 18188/20 A AU18188/20 A AU 18188/20A AU 1818820 A AU1818820 A AU 1818820A AU 1818820 A AU1818820 A AU 1818820A
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
AU18188/20A
Other versions
AU1818820B (en
Inventor
Demay Henri
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 AU18188/20A priority Critical patent/AU1818820B/en
Priority claimed from AU18188/20A external-priority patent/AU1818820B/en
Publication of AU1818820A publication Critical patent/AU1818820A/en
Publication of AU1818820B publication Critical patent/AU1818820B/en
Expired legal-status Critical Current

Links

AU18188/20A 1920-10-13 1920-10-13 Rock drills Expired AU1818820B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU18188/20A AU1818820B (en) 1920-10-13 1920-10-13 Rock drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU18188/20A AU1818820B (en) 1920-10-13 1920-10-13 Rock drills

Publications (2)

Publication Number Publication Date
AU1818820A true AU1818820A (en) 1921-10-11
AU1818820B AU1818820B (en) 1921-10-11

Family

ID=63362966

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18188/20A Expired AU1818820B (en) 1920-10-13 1920-10-13 Rock drills

Country Status (1)

Country Link
AU (1) AU1818820B (en)

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