Short-circuit Testing Liaison <br/><br/>
STL guide to the interpretation of IEC-76-5 - 1976 with amendment no.1 - 1979 and IEC-726 - 1982 with amendment no.1 - 1986 

 - Rugby, England  STL  1991 
 - 7p 
<br/><br/><label>Universal Decimal Class. No.: </label> /