Iron pattern plates with changeable metal inserts for moulding boxes having inside dimensions 1000x800 mm for moulding foundry machines with turn of half mould with squeezing. Design and dimensions
State system for ensuring the uniformity of measurements. State verification schedule for measuring means of spectral, integral and reduced regular transmittance and optical density within the wavelength range from 0,2 to 50,0 um, diffused and regular reflections within the wavelength range from 0,2 to 20,0 um
