90.93 Standard confirmed Dec 13, 2024
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
Dec 13, 2024
PUBLISHED
ISO 13955:1997/Amd 1:2020