Application of cast-on ferrochrome-based hard surfacings to polystyrene pattern castings / 
by J.S. Hansen ... [et al.]. 
 - [Avondale, Md.] :  U.S. Dept. of the Interior, Bureau of Mines,  1985. 
 - ii, 37 p. :  ill. ;  28 cm. 
 - Report of investigations / United States Department of the Interior, Bureau of Mines ;  8942 .
 - Report of investigations (United States. Bureau of Mines) ;  8942. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hard-facing.<br/>Hard-facing alloys.
<br/><br/><label>LC Class. No.: </label>TN23  TS227.3  / .U43 no. 8942 
<br/><br/><label>Dewey Class. No.: </label>622  672.2/5�19