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Fiberglass-reinforced thermosetting plastic pipes and parts of pipelines. Test methods to prove the design of locked socked-and-spigot joints, including double-socket joints, with elastomeric seals
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Sustainable development of organizations. Management system for achieving sustainable development goals. General principles and requirements
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State system for ensuring the uniformity of measurements. State verification schedule for means of measuring spectral density of radiance, spectral density of radiant intensity, spectral density of irradiance, radiant intensity and irradiance in the wavelength range of 0,2...25,0 µm
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