Draft Document - Optics and optical instruments - Test lenses for calibration of focimeters - Part 2: Test lenses for focimeters used for measuring contact lenses (ISO/DIS 9342-2:2003); German version prEN ISO 9342-2:2003
文件草稿.光学和光学仪器.焦距计校准用试验透镜.第2部分:测量接触镜用焦距计的试验透镜(ISO/DIS 9342-2-2003);德文版prEN ISO 9342-2:2003