STB PDF
Intelligent transport systems. Geographic Data Files (GDF) GDF5.1. Map data used in automated driving systems, Cooperative ITS, and multi-modal transport. Original standard UNE-EN ISO 20524-2-2022 in PDF full version. Additional info + preview on request
Document status: Active
Biogas. Biogas production, conditioning, upgrading and utilization. Terms, definitions and classification scheme. Original standard UNE-EN ISO 20675-2022 in PDF full version. Additional info + preview on request
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Ergonomics. 3-D scanning methodologies for internationally compatible anthropometric databases - Evaluation protocol of surface shape and repeatability of relative landmark positions. Original standard UNE-EN ISO 20685-2-2023 in PDF full version. Additional info + preview on request
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Natural gas. Calculation of thermodynamic properties. Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent. Original standard UNE-EN ISO 20765-5-2022 in PDF full version. Additional info + preview on request
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Amendment 1 - Vapour products - Routine analytical vaping machine - Definitions and standard conditions - Amendment 1- Correction of puff profile requirements. Original standard UNE-EN ISO 20768-2022 A1-2025 in PDF full version. Additional info + preview on request
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Dosimetry for exposures to cosmic radiation in civilian aircraft - Measurements at aviation altitudes. Original standard UNE-EN ISO 20785-3-2023 in PDF full version. Additional info + preview on request
Document status: Active