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Geographic Information. Gap-analysis- mapping and describing the differences between the current GDF and ISO/TC 211 conceptual models to suggest ways to harmonize and resolve conflicting issues. Original standard PD ISO TR 19169-2021 in PDF full version. Additional info + preview on request

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Rheological test methods - Fundamentals and interlaboratory comparisons Part 1- Determination of the yield point. Original standard PD ISO TR 20659-1-2024 in PDF full version. Additional info + preview on request

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Rheological test methods - Fundamentals and interlaboratory comparisons Part 2- Determination of the time-dependent structural change (thixotropy). Original standard PD ISO TR 20659-2-2024 in PDF full version. Additional info + preview on request

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Information technology for learning, education and training - Learning analytics interoperability Part 2- System requirements. Original standard PD ISO TR 20748-2-2017 in PDF full version. Additional info + preview on request

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Hydraulic fluid power. Impact and use of ISO 11171-2016 µm(b) and µm(c) particle size designations on particle count and filter test data. Original standard PD ISO TR 22681-2019 in PDF full version. Additional info + preview on request

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Accuracy (trueness and precision) of measurement methods and results. Practical guidance for the use of ISO 5725-2-1994 in designing, implementing and statistically analysing interlaboratory repeatability and reproducibility results. Original standard PD ISO TR 22971-2005 in PDF full version. Additional info + preview on request

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