Investigation of optimum thrust, cutting speed, and water pressure for tungsten carbide and polycrystalline diamond compact roof- bolt drill bits
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Author
Contributions
- Smelser, T. W. - Contributor
- Howie, Wayne L. - Contributor
- United States. Bureau of Mines. - Contributor
Publication
1995 - U.S. Dept. of the Interior, Bureau of Mines, Washington, D.C.?, District of Columbia
Language
English
Word Count
5,000 words, Guess
Page Count
20 pages
Physical Format
Microform
Identifiers
- Open LibraryOL15452635M
Subjects
Topics
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