Improved barrel and bit increases core recovery.
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| Title: | Improved barrel and bit increases core recovery. |
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| Authors: | Burrows, L. J. |
| Source: | Engineering & Mining Journal (00958948); November 1946, Vol. 147, p80-81, 2p |
| Database: | Applied Science & Technology Source |
| ISSN: | 00958948 |
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