STB PDF

Aerospace series. Spherical plain bearing in corrosion resisting steel with self-lubricating liner, wide series. Dimensions and loads. Inch series. Original standard UNE-EN 4614-2021 in PDF full version. Additional info + preview on request

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Earth-moving machinery. Safety - Requirements for hydraulic excavators. Original standard UNE-EN 474-5-2022 in PDF full version. Additional info + preview on request

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Aerospace series. Steel X12CrNiMoV12-3 (1.4938). Air melted and consumable electrode remelted. Hardened and tempered. Bars. De ≤ 150 mm. 900 MPa ≤ Rm ≤ 1 100 MPa. Original standard UNE-EN 4825-2021 in PDF full version. Additional info + preview on request

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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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