GOST 8.374-1980
ГСИ.測量(2.8×10-8~2.8×10-2)m3/ s范圍內的水流量的用具的國家特別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 volumetric flow of water within the range of 2,8·10 in minus 8 degree up to 2,8·10 in minus 2 degree m3/sec