Novel coal-cutting bits and their wear resistances

Additional Authors:	Cheng, Lung., Watson, Richard W., Liebman, I., Furno, A. L.
Year:	1983
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8791
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	8791
Subjects:	Coal mines and mining--Safety measures
	Mechanical wear
	Coal-cutting bits
Link:	https://hdl.handle.net/2027/mdp.39015078477570