National standards of apprenticeship for the lathing industry / 
United States, Department of the Labor 
 - Washington, D. C. :  The Department,  1970 
 - viii, 34 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Apprentices--United States<br/>Apprenticeship programs--United States
<br/><br/><label>Dewey Class. No.: </label>331.259220973