MACHINES TO MANUFACTURE PRINTED CIRCUIT BOARDS; NAMELY, MACHINES FOR REMOVING PHOTORESISTS, ROBOTIZED BRUSH-CLEANING MACHINES, BLACKENING MACHINES, JET PUMICE SCRUBBING MACHINES; HANDLING MACHINES; NAMELY, MACHINES FOR HANDLING PRINTED CIRCUIT BOARDS, HORIZONTAL PICK-UP LOADERS AND UNLOADERS, STACKERS, VERTICAL LOADERS AND UNLOADERS, LOADERS FOR EXTREMELY FLEXIBLE MATERIAL, CURVED CONVEYORS AND NINETY-DEGREE DEVIATORS; CLEANING MACHINES; LIQUID AND CHEMICAL COATING MACHINES; MODULAR ETCHING, ...