Redmil F J <br/><br/>
SPC Digital Telephone Exchanges ;Rev Ed. 

 - Landon  Peter Peregrins  1990 
<br/><br/><label>ISBN: </label>0000042227 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ed. <br/> Exchanges <br/> Rev <br/> SPC <br/> Telephone<br/>Blank<br/>Digital 
<br/><br/><label>Dewey Class. No.: </label>