SR20-4547-2  IBM 3704 AND 3704 AND 3705 COMMU 

 - S.E. 
 - S.L. Sin Pais  S.E.  1900 
<br/><br/><label>LCCN: </label>24141 
<br/><br/><label>Dewey Class. No.: </label>IBM4381