AU1572809B - Improvements in air-and-steam rock-drills - Google Patents
Improvements in air-and-steam rock-drillsInfo
- 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
Links
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) |
-
1909
- 1909-09-10 AU AU15728/09A patent/AU1572809B/en not_active Expired
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