BS-ISO-9803-1 Complete Document History
Vacuum technology. Mounting dimensions of pipeline fittings

Complete Current Edition:
   2020 EDITION - Non knife-edge flange type. - Jan. 16, 2020

Obsolete Revision Information:
   2007 EDITION - Vacuum technology. Mounting dimensions of pipeline fittings. Non knife-edge flange type - June 29, 2007