GB/T 33673-2017 Translated English of Chinese Standard (GBT 33673-2017, GB/T33673-2017, GBT33673-2017): Grade of Horizontal Visibilityhttps://www.chinesestandard.net, 24/09/2016 - 5 páginas This Standard specifies the grade of horizontal visibility. This Standard applies to the monitoring, forecasting and services of horizontal visibility. |