Original standard IEC 60235-8A-1974 in PDF full version. Additional info + preview on request
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Original standard IEC 60235-9-1975 in PDF full version. Additional info + preview on request
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Original standard IEC 60236-1974 in PDF full version. Additional info + preview on request
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Original standard IEC 60238-2020 in PDF full version. Additional info + preview on request
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Original standard IEC 60239-2005 in PDF full version. Additional info + preview on request
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Original standard IEC 60240-1-1992 in PDF full version. Additional info + preview on request
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