1. 2 2 1 a b 2. 8465023A K25S 013FB2TB NB4 0062 msg DP110161081003 5 5 _ SE DP710261081004 CPL S12 25EA 10EA 1 a JIS K 6 719 b Cc 106 4nm YAG d OD 4 2 5 0 f 0 1 MI V 22272D Visors Neodymium Laser Protective for Ai Bl rcrewman s Helme t 3 5 1 6 ANSI 2Z 87 1 1989 Practice for Occup h ional Eye and Face Protection 7 2 1 i 1 3 5 mm 5 5mm 1 9 mm k