Home / Standards / GB/T 16937.2-1997 GB/T 16937.2-1997 Earth-moving machinery — Method for evaluation of operator's field of view 土方机械 司机视野评定方法 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A