Home / Standards / GB/T 14912-2017 GB/T 14912-2017 Active Specifications for 1:500 1:1 000 1:2 000 field digital mapping 1:500 1:1 000 1:2 000外业数字测图规程 Standard Type GBT ICS 07.040 CCS A75 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 自然资源部(测绘地理) Drafting Unit N/A