DIN ISO 16331-1:2020 光学和光学仪器 测试测量和建筑仪器的实验室程序 第1部分:手持式激光测距仪的性能(ISO 16331-1:2017)
Optics and optical instruments - Laboratory procedures for testing surveying and construction instruments - Part 1: Performance of handheld laser distance meters (ISO 16331-1:2017)