Spivakovsky, A. Dyachkov, V. <br/><br/>
Conveyors and related equipment 

 - PEACE  Moscow 
 - 444p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>3377 
<br/><br/><label>Universal Decimal Class. No.: </label>624.867  / SPI