90.93 Standard confirmed Sep 17, 2019
ISO
ISO/TC 138/SC 5 General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications
International Standard
23.040.60 Flanges, couplings and joints
PUBLISHED
ISO 13955:1997
90.93
Standard confirmed
Sep 17, 2019
PUBLISHED
ISO 13955:1997/Amd 1:2020