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Winding wires. Test methods - Mechanical properties. Original standard BS EN IEC 60851-3-2023 in PDF full version. Additional info + preview on request

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Insulating liquids. Specifications for unused liquids based on synthetic aromatic hydrocarbons. Original standard BS EN IEC 60867-2022 in PDF full version. Additional info + preview on request

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Fibre optic interconnecting devices and passive components. Fibre optic passive power control devices - Generic specification. Original standard BS EN IEC 60869-1-2018 in PDF full version. Additional info + preview on request

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Fibre optic interconnecting devices and passive components. Non-wavelength-selective fibre optic branching devices - Generic specification. Original standard BS EN IEC 60875-1-2024 in PDF full version. Additional info + preview on request

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Comfort fans and regulators for household and similar purposes. Methods for measuring performance. Original standard BS EN IEC 60879-2019 in PDF full version. Additional info + preview on request

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Photovoltaic devices. Procedures for temperature and irradiance corrections to measured I-V characteristics. Original standard BS EN IEC 60891-2021 (2024) in PDF full version. Additional info + preview on request

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