1. 1993 Leica Geosystems K K Bunkyo Green Court 17F 2 28 8 Honkomagome Bunkyo ku Tokyo 113 6591 Japan Direct Phone 81 0 3 5940 3034 Phone 81 3 5940 3011 E Mail masaomi akaike leica geosystems co jp www leica geosystems com 2. when it has to be right Jezcg Geosystems Tuesday 27 April 2010 101 0065 2 1 9 Leica DISTOW 2 IEC JIS IEC IEC 60825 1 2001 Safety of laser products Part1 Equipment classification requirements and user s guide JIS C6802 2005 2 JIS C6802 2005 400nm 700nm