Home / Standards / GB/T 12328-1990 GB/T 12328-1990 Active Legend and color standard for comprehensive engineering geological map 综合工程地质图图例及色标 Standard Type GBT ICS 01.100 CCS D10 Status 现行 Issue Date 1990-04-19 Implementation 1991-05-01 Responsible Dept 自然资源部(国土) Drafting Unit N/A