State system for ensuring the uniformity of measurements. State verification schedule for means measuring spectral density of radiance, spectral density of radiant intensity and spectral density of irradiance in the wavelength range of 0,25 - 25,00 mu; radiant intensity and irradiance in the wavelength range of 0,2 - 25,0 mu
Industrial systems, installations, equipment and industrial products. Structuring principles and reference designations. Part 12. Capital construction facilities and engineering support systems