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Railway applications. Rolling stock. Onboard lithium-ion traction batteries. Original standard UNE-EN IEC 62928-2018 in PDF full version. Additional info + preview on request

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Ultrasonics. Physiotherapy systems. Field specifications and methods of measurement in the frequency range 20 kHz to 500 kHz. Original standard UNE-EN IEC 63009-2019 in PDF full version. Additional info + preview on request

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Amendment 1 - Lighting control interface for dimming. Analogue voltage dimming interface for electronic current sourcing controlgear. Original standard UNE-EN IEC 63128-2019 A1-2024 in PDF full version. Additional info + preview on request

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Lighting control interface for dimming. Analogue voltage dimming interface for electronic current sourcing controlgear. Original standard UNE-EN IEC 63128-2019 in PDF full version. Additional info + preview on request

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Maritime navigation and radiocommunication equipment and systems. Automatic identification systems (AIS). SAR Airborne equipment. Operational and performance requirements, methods of test and required test results. Original standard UNE-EN IEC 63135-2019 in PDF full version. Additional info + preview on request

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Standard test radio-frequency connectors Part 1: Generic specification General requirements and test methods. Original standard UNE-EN IEC 63137-1-2019 in PDF full version. Additional info + preview on request

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