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Optics and photonics. Lasers and laser-related equipment. Cavity ring-down method for high-reflectance and high-transmittance measurements. Original standard BS ISO 13142-2021 in PDF full version. Additional info + preview on request

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Rubber. Determination of viscosity and stress relaxation using a rotorless sealed shear rheometer. Original standard BS ISO 13145-2023 in PDF full version. Additional info + preview on request

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Framework of the design process for energy-saving single-family residential and small commercial buildings. Original standard BS ISO 13153-2012 in PDF full version. Additional info + preview on request

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Water quality - Strontium 90 and strontium 89 - Test methods using liquid scintillation counting or proportional counting. Original standard BS ISO 13160-2012 in PDF full version. Additional info + preview on request

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Water quality. Uranium isotopes. Test method using alpha-spectrometry. Original standard BS ISO 13166-2020 in PDF full version. Additional info + preview on request

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Water quality. Plutonium, americium, curium and neptunium. Test method using alpha spectrometry. Original standard BS ISO 13167-2015 in PDF full version. Additional info + preview on request

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