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Connections for hydraulic fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 1: Ports with truncated housing for O-ring seal (ISO 6149-1:2022). Original standard UNE-EN ISO 6149-1-2023 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels Determination of the resistance to abrasion Part 1: Abrasion testing apparatus (ISO 6370-1:1991). Original standard UNE-EN ISO 6370-1-2022 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels Determination of the resistance to abrasion Part 2: Loss in mass after sub-surface abrasion (ISO 6370-2:2020). Original standard UNE-EN ISO 6370-2-2022 in PDF full version. Additional info + preview on request

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Paper, board, pulps and cellulosic nanomaterials. Determination of dry matter content by oven-drying method - Materials in solid form. Original standard UNE-EN ISO 638-1-2022 in PDF full version. Additional info + preview on request

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Paper, board, pulps and cellulosic nanomaterials. Determination of dry matter content by oven-drying method - Suspensions of cellulosic nanomaterials. Original standard UNE-EN ISO 638-2-2022 in PDF full version. Additional info + preview on request

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Metallic materials Vickers hardness test Part 1: Test method (ISO 6507-1:2023). Original standard UNE-EN ISO 6507-1-2024 in PDF full version. Additional info + preview on request

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