Home / Standards / GB/T 21935-2008 GB/T 21935-2008 Active Earth-moving machinery - Zones of comfort and reach for controls 土方机械 操纵的舒适区域与可及范围 Standard Type GBT ICS 53.100 CCS P97 Status 现行 Issue Date 2008-06-03 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A