BS-148 › Complete Document History
Recycled mineral insulating oil for transformers and switchgear. Specification

Complete Current Edition:
   2020 EDITION - Transformers and switchgear. Specification - March 30, 2020

Obsolete Revision Information:
   2009 EDITION - REAFFIRMED IN 2014 - Feb. 28, 2009
   1998 EDITION - REAFFIRMED IN 2008 - July 15, 1998
   1997 EDITION - Specification for unused and reclaimed mineral insulating oi - Jan. 1, 1997