HARDING A.J. <br/><br/>
AMMONIA MANUFACTURE OF USES 

 -  1971 
 - 40 
<br/><br/><label>Standard No.: </label>505 
<br/><br/><label>Subjects--Index Terms: </label>Mechanical 
<br/><br/><label>Dewey Class. No.: </label>661.34  / HAR