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Insulating liquids. Quantitative determination of methanol and ethanol in insulating liquids. Original standard PD IEC TR 63025-2021 in PDF full version. Additional info + preview on request

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Electrical interface specification for phase-cut dimmer in phase-cut dimmed lighting systems. Original standard PD IEC TR 63036-2016 in PDF full version. Additional info + preview on request

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Electrical interface specification for self ballasted lamps and controlgear in phase-cut dimmed lighting systems. Original standard PD IEC TR 63037-2019 in PDF full version. Additional info + preview on request

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Probabilistic risk analysis of technological systems. Estimation of final event rate at a given initial state. Original standard PD IEC TR 63039-2016 in PDF full version. Additional info + preview on request

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Guidance on clearances and creepage distances in particular for distances equal to or less than 2 mm. Test results of research on influencing parameters. Original standard PD IEC TR 63040-2016 (2019) in PDF full version. Additional info + preview on request

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UHV AC transmission systems - General information. Original standard PD IEC TR 63042-100-2016 in PDF full version. Additional info + preview on request

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