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Note: Latest version: IEC 60335-2-21:2022 ED7
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Revised
IEC 60335-2-21:1979/AMD1:1984 ED2
IEC 60335-2-21:1979 ED2
IEC 60335-2-21:1989 ED3
IEC 60335-2-21:1989/AMD2:1990 ED3
IEC 60335-2-21:1989/AMD3:1992 ED3
IEC 60335-2-21:1989/AMD1:1990 ED3
IEC 60335-2-21:1997 ED4