Home / Standards / GB/T 14780-2010 GB/T 14780-2010 Active Earth-moving machinery - Drain，fill and level plugs 土方机械 排液、加液和液位螺塞 Standard Type GBT ICS 53.100 CCS P97 Status 现行 Issue Date 2010-12-01 Implementation 2011-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A