IEEE-C37.20 › Complete Document History
IEEE-C37.20 1969 (Canc Use IEEE-C37.20.1, IEEE-C37.20.2 & IEEE-C37.20.3 )


Obsolete Revision Information:
   ADOPT WITHDRAWN - FYI ONLY: DOD ADOPTION WITHDRAWN - April 19, 2012
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - June 18, 1986
   BASE - OBSOLETE REVISION - Feb. 11, 1985