COMPUTER PROGRAMMABLE CONTROL SYSTEMS FOR MACHINES FOR THE RELATIVE MOVEMENT OF WORK PIECES TO TOOLS, ROTATION DEVICES, EQUIPMENT CARRIERS, TABLES, WORK PIECE MOUNTS FOR CUTTING, WELDING, JOINING, ALIGNING, COATING, SPRAYING, MARKING, INSCRIBING OF MATERIALS, FOR THE THERMAL TREATMENT AND PROCESSING OF MATERIALS; [ WELDING ELECTRODES; ] PRERECORDED MACHINE-READABLE MAGNETIC DATA CARRIERS FEATURING DATA NECESSARY TO OPERATE THE AFORE-STATED CONTROL SYSTEMS; [ SAFETY GOGGLES FOR WELDING, WELDIN...