AU361061A - Rock drill collar - Google Patents
Rock drill collarInfo
- Publication number
- AU361061A AU361061A AU3610/61A AU361061A AU361061A AU 361061 A AU361061 A AU 361061A AU 3610/61 A AU3610/61 A AU 3610/61A AU 361061 A AU361061 A AU 361061A AU 361061 A AU361061 A AU 361061A
- Authority
- AU
- Australia
- Prior art keywords
- drill collar
- rock drill
- rock
- collar
- drill
- 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
- 239000011435 rock Substances 0.000 title 1
Publications (2)
Publication Number | Publication Date |
---|---|
AU361061A true AU361061A (en) | 1963-02-07 |
AU242892B2 AU242892B2 (en) | 1963-02-07 |
Family
ID=
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