The precedence conference on occupational safety was held at Washington on 1975 

 - Washington, D.C. :  U.S. Government Printing Office,  1954 
 - vi, 134 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial safety--United States<br/>Industrial hygiene--United States
<br/><br/><label>Dewey Class. No.: </label>363.110973