GOST 8.097-1973
ГСИ.頻率范圍0~0.1GHZz的(5×10 -12~5×10 -2)T感應測量器具的國家一級基準器和全蘇檢定系統
State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means measuring magnetic field intensity within frequency range 0,01 - 300 MHz