EN-12312-1 Complete Document History
Aircraft ground support equipment - Specific requirements - Part 1: Passenger stairs

Complete Current Edition:
   2013 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - April 30, 2013

Obsolete Revision Information:
   2009 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Jan. 1, 2009
   2001 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - July 1, 2001