Chugh, Chandra Prakash <br/><br/>
Drilling Technology Handbook 

 - Bombay  Oxford & Ibh Pub. Co.  1979 
 - xx,460p 151(b) figs 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HOD3:13g
<br/><br/><label>Dewey Class. No.: </label>HOD3:13g  / K9