GOST R 8.612-2011 國家測量統(tǒng)一性保證體系.密度為0.001至1,000 kg/m的表層涂料測試方法的國家檢定計劃
State system for ensuring the uniformity of measurements. State verification schedule for means of measuring the surface density of coating in the range from 0,0001· to 1,000 kg/sq m