Quality ratings system. Building. Cast iron and plastic waste pipes and fittings and cast iron couplings for asbestos-cement pressure pipes. Nomenclature of characteristics
State system for ensuring the unification of measurements. State special standard and state verification schedule for means measuring radiation field parameters of antenna systems with aperture dimensions from 5 to 100 m and of the airborne antennas within the frequency range from 0,3 to 3,0 GHz
