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Measurement techniques of piezoelectric, dielectric and electrostatic oscillators - Basic methods for the measurement. Original standard UNE-EN 62884-1-2017 in PDF full version. Additional info + preview on request

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Amendment 1 - Organic light emitting diode (OLED) panels for general lighting. Performance requirements. Original standard UNE-EN 62922-2017 A1-2021 in PDF full version. Additional info + preview on request

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Railway applications. Fixed installations. Stationary energy storage system for DC traction systems. Original standard UNE-EN 62924-2017 in PDF full version. Additional info + preview on request

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Amendment 1 - Voltage sourced converter (VSC) valves for static synchronous compensator (STATCOM). Electrical testing. Original standard UNE-EN 62927-2017 A1-2023 in PDF full version. Additional info + preview on request

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GX16t-5 capped tubular led lamp. Safety specifications. Original standard UNE-EN 62931-2017 in PDF full version. Additional info + preview on request

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Maritime navigation and radiocommunication equipment and systems. Integrated communication system (ICS). Operational and performance requirements, methods of testing and required test results. Original standard UNE-EN 62940-2017 in PDF full version. Additional info + preview on request

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