Pratt, James Davidson, 1891- <br/><br/>
Services for the chemical industry 

 - Oxford  Pergamon Press  1968 
 - xi,203p.  20cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical plants
<br/><br/><label>LC Class. No.: </label>TP115.5.P7