Home / Standards / GB/T 39623-2020 GB/T 39623-2020 Active Quality testing and evaluation of fundamental geographic information database system 基础地理信息数据库系统质量测试与评价 Standard Type GBT ICS 07.040 CCS A75 Status 现行 Issue Date 2020-12-14 Implementation 2020-12-14 Responsible Dept 自然资源部(测绘地理) Drafting Unit N/A