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International Electrotechnical Vocabulary (IEV) - Part 121- Electromagnetism. CEI/IEC 60050-121:1998. Original standard IEC 60050-121-1998 in PDF full version. Additional info + preview on request

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Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 121- Electromagnetism. Original standard IEC 60050-121-1998 amd1-2002 in PDF full version. Additional info + preview on request

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Amendment 2 - International Electrotechnical Vocabulary (IEV) - Part 121- Electromagnetism. Original standard IEC 60050-121-1998 amd2-2008 in PDF full version. Additional info + preview on request

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Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 121- Electromagnetism. Original standard IEC 60050-121-1998 amd3-2019 in PDF full version. Additional info + preview on request

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Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 121- Electromagnetism. Original standard IEC 60050-121-1998 amd4-2021 in PDF full version. Additional info + preview on request

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Amendment 5 - International Electrotechnical Vocabulary (IEV) - Part 121- Electromagnetism. Original standard IEC 60050-121-1998 amd5-2021 in PDF full version. Additional info + preview on request

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