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Aerospace series. LOTAR. LOng Term Archiving and Retrieval of digital technical product documentation such as 3D, CAD and PDM data - Explicit CAD assembly structure. Original standard UNE-EN 9300-115-2018 in PDF full version. Additional info + preview on request

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Aerospace series. LOTAR. LOng Term Archiving and Retrieval of digital technical product documentation suchas 3D, CAD and PDM data - Common Concepts for LOng Term Archiving and Retrieval of Product Structure Information. Original standard UNE-EN 9300-200-2018 in PDF full version. Additional info + preview on request

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Rotating electrical machines - Methods for determining electrically excited synchronous machine quantities from tests. Original standard UNE-EN IEC 60034-4-1-2018 in PDF full version. Additional info + preview on request

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Environmental testing - Tests. Test S. Simulated solar radiation at ground level and guidance for solar radiation testing and weathering. Original standard UNE-EN IEC 60068-2-5-2018 in PDF full version. Additional info + preview on request

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Environmental testing - Supporting documentation and guidance. Confirmation of the performance of temperature/ humidity chambers. Original standard UNE-EN IEC 60068-3-6-2018 in PDF full version. Additional info + preview on request

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Mechanical standardization of semiconductor devices - General rules for the preparation of outline drawings of discrete devices. Original standard UNE-EN IEC 60191-1-2018 in PDF full version. Additional info + preview on request

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