Belarus standards PDF

Aerospace series. Definitions of imperfections and defects in organic matrix composite materials. Original standard UNE-EN 4866-2021 in PDF full version. Additional info + preview on request

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Home and Building Electronic Systems (HBES) - IoT Semantic Ontology model description. Original standard UNE-EN 50090-6-2-2025 in PDF full version. Additional info + preview on request

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Amendment 1 - Electrical equipment for the detection and measurement of oxygen. Performance requirements and test methods. Original standard UNE-EN 50104-2021 A1-2023 in PDF full version. Additional info + preview on request

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Electrical equipment for the detection and measurement of oxygen. Performance requirements and test methods. Original standard UNE-EN 50104-2021 in PDF full version. Additional info + preview on request

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Railway applications. Fixed installations. Electric traction overhead contact lines. Original standard UNE-EN 50119-2021 in PDF full version. Additional info + preview on request

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Alarm systems. Social alarm systems - Local unit and controller. Original standard UNE-EN 50134-3-2012 in PDF full version. Additional info + preview on request

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