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SS 668-1:2020 [Current]
SS 668-1:2020 (Chinese version) [Current]
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TR ISO/TS 19657:2020 [Current]
IEC 63169:2020 [Current]
IEC 63169:2020/AMD1:2024 [Current]
IEC 63169:2020+AMD1:2024 CSV [Current]