Thomas, Ralph H <br/><br/>
Ultrasonics in Packaging and Plastics Fabrication 

 - 
 - Massachusetts  Cahners  1974 
 - xii, 175 p.   
<br/><br/>  Ultrasonics Welding 
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Dewey Class. No.: </label>621.791:678