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Soil quality. Determination of soil microbial biomass. Substrate-induced respiration method. Original standard BS EN ISO 14240-1-2011 in PDF full version. Additional info + preview on request

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Soil quality. Determination of soil microbial biomass. Fumigation-extraction method. Original standard BS EN ISO 14240-2-2011 in PDF full version. Additional info + preview on request

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Oilseed meals. Determination of soluble proteins in potassium hydroxide solution. Original standard BS EN ISO 14244-2016 in PDF full version. Additional info + preview on request

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Gas cylinders - Specifications and testing of LPG cylinder valves - Self-closing (ISO 14245:2021). Original standard BS EN ISO 14245-2021 in PDF full version. Additional info + preview on request

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Gas cylinders - Cylinder valves - Manufacturing tests and examinations (ISO 14246:2022). Original standard BS EN ISO 14246-2022 in PDF full version. Additional info + preview on request

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Geometrical product specifications (GPS). Inspection by measurement of workpieces and measuring equipment - Decision rules for verifying conformity or nonconformity with specifications. Original standard BS EN ISO 14253-1-2017 in PDF full version. Additional info + preview on request

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