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Characterization of sludges. Determination of dry residue and water content. Original standard UNE-EN 12880-2001 in PDF full version. Additional info + preview on request

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Public transport. Reference data model - Timing information and vehicle scheduling. Original standard UNE-EN 12896-3-2016 in PDF full version. Additional info + preview on request

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Public transport. Reference data model - Operations monitoring and control. Original standard UNE-EN 12896-4-2019 in PDF full version. Additional info + preview on request

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Public transport. Reference data model - Fare management. Original standard UNE-EN 12896-5-2019 in PDF full version. Additional info + preview on request

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Public transport. Reference data model - Passenger information. Original standard UNE-EN 12896-6-2019 in PDF full version. Additional info + preview on request

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Workplace exposure. Measurement of airborne microorganisms and microbial compounds. General requirements. Original standard UNE-EN 13098-2019 in PDF full version. Additional info + preview on request

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