Home / Standards / GB 12526-1990 GB 12526-1990 Active Specifications for long range electro-optical distance measurement 远程光电测距规范 Standard Type GB ICS 17.180.30 CCS A76 Status 现行 Issue Date 1990-12-06 Implementation 1991-08-01 Responsible Dept 自然资源部(测绘地理) Drafting Unit N/A