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IEC
IEC TR 63079:2017+AMD1:2018+AMD2:2020 CSV
En Vigor
2020-04-01
Code of practice for hearing-loop systems (HLS)
IEC
IEC 60268-16:2020/COR1:2025
En Vigor
2025-07-07
Corrigendum 1: Sound system equipment - Part 16: Objective rating of
speech intelligibility by speech transmission index
IEC
IEC 62271-1:2017/AMD1:2021
En Vigor
2021-10-04
Amendment 1 - High-voltage switchgear and controlgear - Part 1: Common
specifications for alternating current switchgear and controlgear
IEC
IEC 60244-3A:1971
En Vigor
1971-01-01
Methods of measurement for radio transmitters - Part 3: Wanted and
unwanted modulation - First supplement: Appendices
