Standards on radio receivers 

 -  1938 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>71803 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric engineering
<br/><br/><label>Dewey Class. No.: </label>D666:4851, G8