EN-61158-4-1 Complete Document History
Industrial communication networks - Fieldbus specifications - Part 4-1: Data-link layer protocol specification - Type 1 elements

Complete Current Edition:
   2014 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Oct. 24, 2014

Obsolete Revision Information:
   2008 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Jan. 1, 2008