Nagpal/G.R  <br/><br/>
Machine Drawing 

 - Delhi  Khanna  1984 
 - 311 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>machine
<br/><br/><label>Dewey Class. No.: </label>604.24  / NAG