Lienhard, A. <br/><br/>
25 years Brown Boveri tubes 

<br/><br/>History of development, present range of tubes with notes on fields of application. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BROWN BOVERI TUBES
<br/><br/><label>Universal Decimal Class. No.: </label>H621 BRO