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Electrostatics - Standard test methods for specific applications. Testing of electrostatic properties of composite IBC. Original standard UNE-EN IEC 61340-4-11-2025 in PDF full version. Additional info + preview on request

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Corrigendum - Wind energy generation systems Part 12-1: Power performance measurements of electricity producing wind turbines. Original standard UNE-EN IEC 61400-12-1-2024 AC-2025 in PDF full version. Additional info + preview on request

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Installation couplers intended for permanent connection in fixed installations. Original standard UNE-EN IEC 61535-2025 in PDF full version. Additional info + preview on request

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Corrigendum - Fibre optic interconnecting devices and passive components - Performance standard - Part 061-2: Single-mode fibre optic pigtailed style polarization independent isolators for category c - Controlled environments. Original standard UNE-EN IEC 61753-061-2-2020 AC-2025 in PDF full version. Additional info + preview on request

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Fibre optic interconnecting devices and passive components. Performance standard - Non connectorised single-mode 980/1550 nm WWDM devices for category C. Indoor controlled environment. Original standard UNE-EN IEC 61753-084-02-2025 in PDF full version. Additional info + preview on request

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Fibre optic interconnecting devices and passive components. Performance standard - Non-connectorized single-mode bidirectional 1490 / 1550 nm downstream and 1 310 nm upstream WWDM devices for category C. Indoor controlled environment. Original standard UNE-EN IEC 61753-086-02-2025 in PDF full version. Additional info + preview on request

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