Schaumann, R. <br/><br/>
The H. system 

<br/><br/>The demand for oil-less medium-voltage circuit-breakers will increase considerably in future 
<br/><br/><label>Subjects--Topical Terms: </label><br/>H SYSTEM<br/>MEDIUM-VOLTAGE SWITCHGEAR
<br/><br/><label>Universal Decimal Class. No.: </label>H621 BRO