Home / Standards / GB/T 27920.1-2011 GB/T 27920.1-2011 Active Specifications for digital aerial photography - Part 1:Frame digital aerial photography 数字航空摄影规范 第1部分:框幅式数字航空摄影 Standard Type GBT ICS 07.040 CCS A77 Status 现行 Issue Date 2011-12-30 Implementation 2012-02-01 Responsible Dept 自然资源部(测绘地理) Drafting Unit N/A