CHUGH C.P <br/><br/>
DRILLING TECHNOLOGY HANDBOOK 

 - Second 
 - NEW DELHI  OXFORD & I B H-2  1983 
 - 460 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drilling Tech
<br/><br/><label>Dewey Class. No.: </label>621.952