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Steel and cast iron. Determination of total silicon contents. Reduced molybdosilicate spectrophotometric method - Silicon contents between 0,05 % and 1,0 %. Original standard BS EN ISO 4829-1-2018 in PDF full version. Additional info + preview on request

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Steels. Determination of total silicon contents. Reduced molybdosilicate spectrophotometric method - Silicon contents between 0,01 % and 0,05 %. Original standard BS EN ISO 4829-2-2016 in PDF full version. Additional info + preview on request

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Plastics. Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at constant value. Original standard BS EN ISO 483-2005 in PDF full version. Additional info + preview on request

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Microbiology of the food chain. Horizontal method for the enumeration of microorganisms - Colony count at 30 °C by the pour plate technique. Original standard BS EN ISO 4833-1-2013 + A1-2022 in PDF full version. Additional info + preview on request

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Microbiology of the food chain. Horizontal method for the enumeration of microorganisms - Colony count at 30 °C by the surface plating technique. Original standard BS EN ISO 4833-2-2013 + A1-2022 in PDF full version. Additional info + preview on request

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Dentistry. General requirements of hand instruments - Non-hinged hand instruments. Original standard BS EN ISO 4865-1-2023 in PDF full version. Additional info + preview on request

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