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TR 113:2023 [Current]
TR 133:2024 [Current]
TR 134:2025 [Current]
TR 137:2025 [Current]
TR 81:2020 [Current]
TR 86:2021 [Current]
IEC 60050-821:1998 [Revised]
IEC 60050-821:2017 [Current]
ISO 22074-1:2020 [Current]
ISO 24478:2023 [Current]