Biblioteca SEGEMAR

Vista normal Vista MARC Vista ISBD

Kovscek, P. D.

Testing of a diesel-powered impact cutting head for hard-rock mining / by P.D. Kovscek, C.D. Taylor, and H. Handewith. - Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1991. - 16 p. : ill. ; 28 cm. - Report of investigations ; 9374 . - Report of investigations (United States. Bureau of Mines) ; 9374 .

LCCN: 91006475

Subjects--Topical Terms:
Mining machinery--Testing.
Free piston engines--Testing.

LC Class. No.: TN23 TN345 / .U43 no. 9374

Dewey Class. No.: 622 s 622/.028

Gov. Doc. Class. No.: I 28.23:9374