Home / Standards / GB 20263-2006 GB 20263-2006 Active Navigable electronic map - Basic requirements of security processing technology 导航电子地图安全处理技术基本要求 Standard Type GB ICS 07.040 CCS A75 Status 现行 Issue Date 2006-03-15 Implementation 2006-10-01 Responsible Dept 自然资源部（测绘地理） Drafting Unit N/A