AU481730B2 - Borehole air hammer - Google Patents
Borehole air hammerInfo
- Publication number
- AU481730B2 AU481730B2 AU54770/73A AU5477073A AU481730B2 AU 481730 B2 AU481730 B2 AU 481730B2 AU 54770/73 A AU54770/73 A AU 54770/73A AU 5477073 A AU5477073 A AU 5477073A AU 481730 B2 AU481730 B2 AU 481730B2
- Authority
- AU
- Australia
- Prior art keywords
- air hammer
- borehole
- borehole air
- hammer
- air
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
USUS246,837 | 1972-04-24 | ||
US05/246,837 US3944003A (en) | 1972-04-24 | 1972-04-24 | Bore hole air hammer |
Publications (2)
Publication Number | Publication Date |
---|---|
AU481730B2 true AU481730B2 (en) | 1974-10-24 |
AU5477073A AU5477073A (en) | 1974-10-24 |
Family
ID=
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