Home / Standards / GB/T 15218-1994 GB/T 15218-1994 Abolished Standards of classification for groundwater resources 地下水资源分类分级标准 Standard Type GBT ICS 13.060.10 CCS D14 Status 废止 Issue Date 1994-09-24 Implementation 1995-08-01 Responsible Dept 自然资源部（国土） Drafting Unit N/A