Broaches with diameter from 70 to 90 mm for slitting holes with involute profile and centering at outside diameter with module from 3,5 to 5 mm. Double driven. Construction and dimensions
State system for ensuring the uniformity of measurement. State special standard and all-union verification schedule for means measuring radiation field parameters of antenna systems with operating dimensions of apertures from 0,1 to 0,4 m at the frequency range from 2,5 to 12 GHz