IEC-62271-204 Complete Document History
High-voltage switchgear and controlgear - Part 204: Rigid gas-insulated transmission lines for rated voltage above 52 kV

Complete Current Edition:
   EDITION 2.0 - Part 204: Rigid gas-insulated transmission lines for rated voltage above 52 kV - May 1, 2022

Obsolete Revision Information:
   EDITION 1.0 - Part 204: Rigid gas-insulated transmission lines for rated voltage above 52 kV - July 1, 2011