BUREAU OF INDIAN STA <br/><br/>
INDIAN STANDARD SPECIFICATION FOR TROUGHED BELT CONVEYORS : PART 1TROUGHED BELT CONVEYORS FOR SURFAC 

 - 2nd rep. ed.  1989 
 - NEW DELHI  BUREAU OF INDIAN STANDARDS. 
 - 10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  TROUGHED BELT CONVEYORS
<br/><br/><label>Dewey Class. No.: </label>621  / BUR