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IEC
IEC 60534-8-1:2005
En Vigor
2005-09-26
Industrial-process control valves - Part 8-1: Noise considerations -
Laboratory measurement of noise generated by aerodynamic flow through
control valves
ISO
ISO/IEC 21838-4:2023
En Vigor
2023-09-19
Information technology — Top-level ontologies (TLO) — Part 4: TUpper
IEC
IEC 60061-2:1969/AMD55:2020
En Vigor
2020-03-31
Amendment 55 - Lamp caps and holders together with gauges for the
control of interchangeability and safety - Part 2: Lampholders
ISO
ISO/IEC TR 20943-3:2004
En Vigor
2004-02-24
Information technology — Procedures for achieving metadata registry
content consistency — Part 3: Value domains
