Home / Standards / GB/T 24505-2009 GB/T 24505-2009 Active Technical specification of drilling for high pressure aquifer water detection in underground mine 矿井井下高压含水层探水钻探技术规范 Standard Type GBT ICS 13.100 CCS D09 Status 现行 Issue Date 2009-10-30 Implementation 2010-04-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A