EN-144-1 Complete Document History
Part 1: Thread Connections for Insert Connector, Respiratory Protective Devices - Gas

Complete Current Edition:
   2018 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - April 11, 2018

Obsolete Revision Information:
   AMENDMENT A2 - ONLY AVAILABLE IN NATIONAL EDITIONS - June 1, 2005
   2000 EDITION AMENDMENT A1 - ONLY AVAILABLE IN NATIONAL EDITIONS - April 1, 2003
   2000 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Aug. 1, 2000
   1991 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Jan. 1, 1991