LASERS FOR NON-MEDICAL USES, LASER TUBES, POWER SUPPLIES FOR LASERS, LASER-POWER METERS, LASER FOCUSING ASSEMBLIES, LASER BEAM DIRECTING DEVICES, LASER MEASURING INSTRUMENTS, SAFETY GLASSES, RF CIRCUIT BOARDS FOR LASERS, CONTROL CIRCUIT BOARDS FOR LASERS, LASER MIRRORS, LENS FOR LASERS, LASER BEAM EXPANDERS, LASER BEAM POINTERS, WINDOWS FOR LASERS AND LASER- BASED SYSTEMS, NAMELY LASER MARKERS
Electrical and Scientific Apparatus