Pattern plates with changeable wooden inserts for moulding box having inside dimensions 1200x1000 mm for moulding foundry machines with turn of half mould without squeezing. Design and dimensions
State system for ensuring the uniformity of measurements. State verification schedule for 1 to 1x 10 minus 3 degree V/m2 degree irradiance. Measuring means within the wavelength range of 1-50 mc