Testing of a diesel-powered impact cutting head for hard-rock mining
By: by P.D. Kovscek, C.D. Taylor, and H. Handewith.
Contributors: Taylor, Charles D. 1946-; Handewith, H.
Series: Report of investigations ;; 9374; Report of investigations (United States. Bureau of Mines) ;; 9374
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1991
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Mining machinery -- Testing.; Free piston engines -- Testing.