Home / Standards / GB/T 15661-2008 GB/T 15661-2008 Active Specifications for aerial photography of 1:5 000 1:10 000 1:25 000 1:50 000 1:100 000 topographic maps 1:5 000 1:10 000 1:25 000 1:50 000 1:100 000 地形图航空摄影规范 Standard Type GBT ICS 07.040 CCS A77 Status 现行 Issue Date 2008-06-20 Implementation 2008-12-01 Responsible Dept 自然资源部（测绘地理） Drafting Unit N/A