IS: 3347 (Part I/Sec 1) - 1965 :Dimensions for Porcelain Transformer Bushings Part 1 up to 1.1 kV Bushings Section 1 Porcelain Parts 

 - New Delhi  BIS  1965 
 - 5p 
<br/><br/><label>Universal Decimal Class. No.: </label> /