Bhatt N D Au. <br/><br/>
Mechine drawing    In first -angle projection method      

 - 23 
 -  1988 
<br/><br/><label>Standard No.: </label>6941 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8:4, M8