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Microbiology of the food chain. Horizontal method for the detection and enumeration of Enterobacteriaceae. Detection of Enterobacteriaceae. Original standard BS EN ISO 21528-1-2017 in PDF full version. Additional info + preview on request

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Microbiology of the food chain. Horizontal method for the detection and enumeration of Enterobacteriaceae. Colony-count technique. Original standard BS EN ISO 21528-2-2017 (2018) in PDF full version. Additional info + preview on request

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Dentistry. Materials used for dental equipment surfaces. Determination of resistance to chemical disinfectants. Original standard BS EN ISO 21530-2004 in PDF full version. Additional info + preview on request

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Dentistry. Graphical symbols for dental instruments. Original standard BS EN ISO 21531-2009 in PDF full version. Additional info + preview on request

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Dentistry. Reprocessable cartridge syringes for intraligamentary injections. Original standard BS EN ISO 21533-2018 in PDF full version. Additional info + preview on request

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Non-active surgical implants. Joint replacement implants. Particular requirements. Original standard BS EN ISO 21534-2009 in PDF full version. Additional info + preview on request

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