DIN EN 60825-1 Berichtigung 2-2009 激光产品安全.第1部分:设备分类和要求.技术勘误DIN EN 60825-1(VDE 0837-1)-2008-05
Safety of laser products - Part 1: Equipment classification and requirements (IEC 60825-1:2007); German version EN 60825-1:2007, Corrigendum to DIN EN 60825-1 (VDE 0837-1):2008-05