State system for ensuring the uniformity of measurements. State verification schedule for means measuring the amplitude modulation factor of high frequency oscillations
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means of measuring magnetic induction of constant field in the range of 2-10 T for temperature range from 4,2 to 300 K and from 0,1 up to 2 T for the range from 4,2 to 77 K
