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Varistors for use in electronic equipment - Generic specification. Original standard UNE-EN IEC 61051-1-2018 in PDF full version. Additional info + preview on request

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Connectors for electrical and electronic equipment - Product requirements - Part 2-101- Circular connectors - Detail specification for M12 connectors with screw-locking. Original standard UNE-EN IEC 61076-2-101-2025 in PDF full version. Additional info + preview on request

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Electromechanical equipment guidance for small hydroelectric installations. Original standard UNE-EN IEC 61116-2025 in PDF full version. Additional info + preview on request

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Industrial-process measurement and control - Programmable controllers - Part 2- Equipment requirements and tests. Original standard UNE-EN IEC 61131-2-2025 in PDF full version. Additional info + preview on request

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Maritime navigation and radiocommunication equipment and systems. Digital interfaces - Single talker and multiple listeners, high-speed transmission. Original standard UNE-EN IEC 61162-2-2024 in PDF full version. Additional info + preview on request

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Radio-frequency connectors - Part 1-2- Electrical test methods - Insertion loss. Original standard UNE-EN IEC 61169-1-2-2020 in PDF full version. Additional info + preview on request

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