DIN-EN-15531-1 Complete Document History
Public transport - Service interface for real-time information relating to public transport operations - Part 1: Context and framework

Complete Current Edition:
   2022 EDITION - ENGLISH VERSION OF DIN-EN-15531-1 - Oct. 1, 2022

Obsolete Revision Information:
   2015 EDITION - ENGLISH VERSION OF DIN-EN-15531-1 - Dec. 1, 2015