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High-voltage switchgear and controlgear Part 100- Alternating-current circuit-breakers. Original standard BS EN IEC 62271-100-2021 (2022) in PDF full version. Additional info + preview on request

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High-voltage switchgear and controlgear Part 100- Alternating-current circuit-breakers Incorporating corrigenda July 2022 and January 2024. Original standard BS EN IEC 62271-100-2021 (2024) in PDF full version. Additional info + preview on request

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Safety of primary and secondary lithium cells and batteries during transport (IEC 62281-2019). Original standard BS EN IEC 62281-2019 + A1-2021 in PDF full version. Additional info + preview on request

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Determination of certain substances in electrotechnical products Part 13- Bisphenol A in plastics by liquid chromatography-diode array detector (LC-DAD), liquid chromatography-mass spectrometry (LC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS). Original standard BS EN IEC 62321-13-2026 in PDF full version. Additional info + preview on request

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Determination of certain substances in electrotechnical products - Part 14- Short-chain chlorinated paraffins (SCCPs) and medium-chain chlorinated paraffins (MCCPs) in plastics by gas chromatography-negative chemical ionization-mass spectrometry (GC-NCI-MS). Original standard BS EN IEC 62321-14-2026 in PDF full version. Additional info + preview on request

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Power systems management and associated information exchange - Data and communications security Part 4- Profiles including MMS and derivatives (IEC 62351-4-2018). Original standard BS EN IEC 62351-4-2018 in PDF full version. Additional info + preview on request

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