NF P98-744-6-2009
道路建设及养护设备.材料生产厂连续配制设备的现场校正及检验.第6部分:材料生产厂连续配制沥青设备的现场校正及检验
Road construction and maintenance equipment - On-site calibration and verification of the settings of continuous dosing apparatus of material production plants - Part 6 : on-site calibration and verification of the settings of continuous asphalt dosing ap