IEC-61158-5-20 Complete Document History
Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements

Complete Current Edition:
   EDITION 3.0 - Part 5-20: Application layer service definition - Type 20 el - Aug. 18, 2014

Obsolete Revision Information:
   EDITION 2.0 - Part 5-20: Application layer service definition - Type 20 el - Aug. 6, 2010
   EDITION 1.0 - Part 5-20: Application layer service definition - Type 20 el - Dec. 1, 2007