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Gas infrastructure. Quality of gas. Hydrogen used in rededicated gas systems. Original standard PD CEN TS 17977-2023 in PDF full version. Additional info + preview on request

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In vitro diagnostic Next Generation Sequencing (NGS) workflows - Human DNA examination. Original standard PD CEN TS 17981-1-2023 in PDF full version. Additional info + preview on request

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In vitro diagnostic Next Generation Sequencing (NGS) workflows - Human RNA examination. Original standard PD CEN TS 17981-2-2023 in PDF full version. Additional info + preview on request

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Construction products: Assessment of release of dangerous substances. Methods for the determination of N-nitrosamines in air samples derived by EN 16516. Original standard PD CEN TS 17985-2023 in PDF full version. Additional info + preview on request

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Flexible sheets for waterproofing. Extrapolation rules for testing results on resistance to root penetration. Original standard PD CEN TS 17986-2023 in PDF full version. Additional info + preview on request

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Statistical verification of partial factors for buildings according to Eurocode EN 1993-1-1 Annex E. Original standard PD CEN TS 17991-2023 in PDF full version. Additional info + preview on request

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