GOST R ISO 17123-7-2011 确保测量一致性的国家体制.光学和光学仪器.大地测量试验与勘测仪器的现场规程.第7部分:光学探测仪器
State system for ensuring the uniformity of measurements. Optics and optical instruments. Field procedures for testing geodetic and surveying instruments. Part 7. Optical plumbing instruments