DIN EN 60825-1 Berichtigung 2:2009
激光產品安全.第1部分:設備分類和要求.技術勘誤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