Home / Standards / GB/T 19989-2005 GB/T 19989-2005 Active Equipment for working the soil-Hoe blades-Fixing dimensions 土壤耕作机械 锄铲 安装尺寸 Standard Type GBT ICS 65.060.01 CCS B91 Status 现行 Issue Date 2005-10-24 Implementation 2006-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会