AU1572809B - Improvements in air-and-steam rock-drills - Google Patents

Improvements in air-and-steam rock-drills

Info

Publication number
AU1572809B
AU1572809B AU15728/09A AU1572809A AU1572809B AU 1572809 B AU1572809 B AU 1572809B AU 15728/09 A AU15728/09 A AU 15728/09A AU 1572809 A AU1572809 A AU 1572809A AU 1572809 B AU1572809 B AU 1572809B
Authority
AU
Australia
Prior art keywords
drills
air
steam rock
rock
steam
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
AU15728/09A
Other versions
AU1572809A (en
Inventor
Redington John
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU15728/09A priority Critical patent/AU1572809B/en
Publication of AU1572809A publication Critical patent/AU1572809A/en
Publication of AU1572809B publication Critical patent/AU1572809B/en
Expired legal-status Critical Current

Links

AU15728/09A 1909-09-10 1909-09-10 Improvements in air-and-steam rock-drills Expired AU1572809B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU15728/09A AU1572809B (en) 1909-09-10 1909-09-10 Improvements in air-and-steam rock-drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU15728/09A AU1572809B (en) 1909-09-10 1909-09-10 Improvements in air-and-steam rock-drills

Publications (2)

Publication Number Publication Date
AU1572809A AU1572809A (en) 1910-02-15
AU1572809B true AU1572809B (en) 1910-02-15

Family

ID=63358352

Family Applications (1)

Application Number Title Priority Date Filing Date
AU15728/09A Expired AU1572809B (en) 1909-09-10 1909-09-10 Improvements in air-and-steam rock-drills

Country Status (1)

Country Link
AU (1) AU1572809B (en)

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