PD-ISO-11364 Complete Document History
Gas cylinders. Compilation of national and international valve stem/gas cylinder neck threads and their identification and marking system

Complete Current Edition:
   2019 EDITION - Compilation of national and international valve stem/gas cylinder neck threads and their identification and marking system - June 13, 2019

Obsolete Revision Information:
   2012 EDITION - Gas cylinders. Compilation of national and international valve stem/gas cylinder neck threads and their identification and marking system - Jan. 31, 2013