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IEC
IEC 61249-2-33:2009
En Vigor
2009-02-11
Materials for printed boards and other interconnecting structures - Part
2-33: Reinforced base materials, clad and unclad - Non-halogenated
modified or unmodified resin system, woven E-glass laminate sheets of
defined relative permittivity (equal to or less than 4,1 at 1 GHz) and
flammability (vertical burning test), copper-clad
IEC
IEC 61992-6:2006/COR1:2025
En Vigor
2025-05-14
Corrigendum 1 - Railway applications - Fixed installations - DC
switchgear - Part 6: DC switchgear assemblies
ISO
ISO/IEC TR 10183-1:1993
En Vigor
1993-03-25
Information technology — Text and office systems — Office Document
Architecture (ODA) and interchange format — Technical Report on ISO 8613
implementation testing — Part 1: Testing methodology
ISO
ISO/IEC 23090-4:2025
En Vigor
2025-11-03
Information technology — Coded representation of immersive media — Part
4: MPEG-I immersive audio
