In situ comparison of radical and point attack bits
By: by L.S. Sundae and T.A. Myren.
Contributors: Myren, Theodore A.
Series: Report of investigation / United States Department of the Interior, Bureau of Mines ;; 9127; Report of investigation (United States. Bureau of Mines) ;; 9127.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1987
Place of publication: Avondale, Md
Language: eng
Number of pages: 15
Subjects: Coal-cutting bits -- Testing.
Notes: Bibliography: p. 15.