9 Electrical control devices and electronic control systems for machines for the metallurgical industry, for machines for the steel mill industry, for continuous casting machines, for rolling machines for the rolling of metals, for strip processing lines, for forging machines, for pressing machines for metals, metal hardness testing machines; weighing apparatus and instruments; measuring, signaling, and checking apparatus and instruments, namely, electric luminescent display panels, light emitting diode displays, liquid crystal displays, strip tension dynamometers, strip flatness meters, thermometers, speedometers, pressure gauges, angle gauges, distance meters, roughness gauges, electric and electronic controllers, namely, flatness controllers, roughness controllers, pressure controllers, and tensioning controllers for influencing the properties of rolled steel; computer programs for controlling and regulating machines for the metallurgical industry, machines for the steel industry, continuous casting machines, rolling machines, forging machines, pressing machines and machines for processing synthetic materials, computer applications software for controlling and regulating machines for the metal industry, stored in data carriers