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Cereals. Determination of bulk density, called mass per hectolitre - Routine method. Original standard BS EN ISO 7971-3-2019 in PDF full version. Additional info + preview on request

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Water quality. Determination of calcium and magnesium. Atomic absorption spectrometric method. Original standard BS EN ISO 7980-2000 (2008) BS 6068-2.30-1987 in PDF full version. Additional info + preview on request

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Ophthalmic optics. Spectacle frames. Lists of equivalent terms and vocabulary. Original standard BS EN ISO 7998-2005 in PDF full version. Additional info + preview on request

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Quantities and units - General. Original standard BS EN ISO 80000-1-2022 in PDF full version. Additional info + preview on request

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Quantities and units - Part 10: Atomic and nuclear physics (ISO 80000-10:2019). Original standard BS EN ISO 80000-10-2019 in PDF full version. Additional info + preview on request

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Quantities and units - Part 11: Characteristic numbers (ISO 80000-11:2019). Original standard BS EN ISO 80000-11-2020 in PDF full version. Additional info + preview on request

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