Home / Standards / GB/T 14225.1-1993 GB/T 14225.1-1993 Abolished Mouldboard plough--Types and parameters 铧式犁 型式与参数 Standard Type GBT ICS 65.060.20 CCS B91 Status 废止 Issue Date 1993-03-03 Implementation 1993-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A