GOST R ISO 17123-4-2011 国家测量一致性体系.光学和光学仪器.大地测量学和测量仪器的现场试验程序.第4部分.光电测距仪(EDM仪器)
State system for ensuring the uniformity of measurements. Optics and optical instruments. Field procedures for testing geodetic and surveying instruments. Part 4. Elektro-optical distance meters (EDM instruments)