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Natural gas. Calculation of thermodynamic properties. Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent. Original standard BS EN ISO 20765-5-2022 in PDF full version. Additional info + preview on request
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Vapour products - Routine analytical vaping machine - Definitions and standard conditions (ISO 20768:2018). Original standard BS EN ISO 20768-2021 in PDF full version. Additional info + preview on request
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Non-destructive testing. Radiographic inspection of corrosion and deposits in pipes by X - and gamma rays. Tangential radiographic inspection. Original standard BS EN ISO 20769-1-2018 in PDF full version. Additional info + preview on request
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Non-destructive testing. Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays. Double wall radiographic inspection. Original standard BS EN ISO 20769-2-2018 in PDF full version. Additional info + preview on request
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Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices. Broth micro-dilution reference method for testing the in vitro activity of antimicrobial agents against rapidly growing aerobic bacteria involved in infectious diseases. Original standard BS EN ISO 20776-1-2020 in PDF full version. Additional info + preview on request
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Clinical laboratory testing and in vitro diagnostic test systems. Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices - Evaluation of performance of antimicrobial susceptibility test devices against reference broth micro-dilution. Original standard BS EN ISO 20776-2-2021 in PDF full version. Additional info + preview on request
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