Home / Standards / GB/T 9151-1988 GB/T 9151-1988 Abolished Terms of drilling engineering 钻探工程名词术语 Standard Type GBT ICS 73.100.30 CCS D10 Status 废止 Issue Date 1988-05-05 Implementation 1989-02-01 Responsible Dept 自然资源部(国土) Drafting Unit N/A