PACKARD, CHARLES A. <br/><br/>
RELAY ENGINEERING: A REFERENCE BOOK 

 - 1ST ED. 
 - Estados Unidos  STRUTHERS DUNN  1950 PHILADELPHIA 
 - 640 
<br/><br/><label>LCCN: </label>22879 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELECTROMAGNETISMO<br/>INGENIERIA ELECTRICA
<br/><br/><label>Dewey Class. No.: </label>621.317