ISO-11407 Complete Document History
Commercial road vehicles - Mechanical coupling between towing vehicles, with coupling mounted forward and below, and centre-axle trailers - Interchangeability

Complete Current Edition:
   2ND EDITION - MOUNTED FORWARD & BELOW, & CEN - Nov. 1, 2004

Obsolete Revision Information:
   1ST EDITION - COMMERICAL ROAD VEHICLES - MEC - Nov. 1, 1993