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Bitumen and bituminous binders. Determination of the pH value of bituminous emulsions. Original standard UNE-EN 12850-2023 in PDF full version. Additional info + preview on request

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Trenchless construction and testing of drains and sewers. Original standard UNE-EN 12889-2023 in PDF full version. Additional info + preview on request

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Public transport. Reference data model - Alternative Modes. Original standard UNE-EN 12896-10-2022 in PDF full version. Additional info + preview on request

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Respiratory protective devices. Powered filtering devices incorporating a loose fitting respiratory interface. Requirements, testing, marking. Original standard UNE-EN 12941-2023 in PDF full version. Additional info + preview on request

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Respiratory protective devices. Powered filtering devices incorporating full face masks, half masks or quarter masks. Requirements, testing, marking. Original standard UNE-EN 12942-2023 in PDF full version. Additional info + preview on request

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Solar collectors. General requirements. Original standard UNE-EN 12975-2022 in PDF full version. Additional info + preview on request

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