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Fasteners. Hexagon thin nuts (style 0), with fine pitch thread. Original standard BS EN ISO 8675-2023 in PDF full version. Additional info + preview on request

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Fasteners. Hexagon head screws, with fine pitch thread. Product grades A and B. Original standard BS EN ISO 8676-2022 in PDF full version. Additional info + preview on request

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Plastics and ebonite. Determination of indentation hardness by means of a durometer (Shore hardness). Original standard BS EN ISO 868-2003 in PDF full version. Additional info + preview on request

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Water quality. Biological classification of rivers - Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates. Original standard BS EN ISO 8689-1-2000 (2008) BS 6068-5.26-2000 in PDF full version. Additional info + preview on request

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Water quality. Fresh water algal growth inhibition test with unicellular green algae. Original standard BS EN ISO 8692-2012 in PDF full version. Additional info + preview on request

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Parallel pins with internal thread, of unhardened steel or austenitic stainless steel. Original standard BS EN ISO 8733-1998 (2008) in PDF full version. Additional info + preview on request

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