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ISO
IEC
ISO/IEC 20114:2004
En Vigor
2004-05-21
Information technology - Telecommunications and information exchange
between systems - Private Integrated Services Network (PISN) -
Inter-exchange signalling protocol - Make call request supplementary service
ISO
ISO 20567-1:2017
En Vigor
2017-01-10
Paints and varnishes — Determination of stone-chip resistance of
coatings — Part 1: Multi-impact testing
ISO
ISO 22731:2020
En Vigor
2020-09-28
Carbonaceous materials used in the production of aluminium — Cathode —
Cathode abrasion testing
