Home / Standards / GB/T 30170-2013 GB/T 30170-2013 Active Geographic information―Spatial referencing by coordinates 地理信息 基于坐标的空间参照 Standard Type GBT ICS 35.240.70;07.040 CCS A75 Status 现行 Issue Date 2013-12-17 Implementation 2014-04-01 Responsible Dept 自然资源部(测绘地理) Drafting Unit N/A