machine tools, namely, machines and apparatus for the treatment of materials, namely, ultrasonic welding machines, particularly machines and apparatus with sonotrodes; tools as parts of machines, namely, machines and apparatus for the treatment of materials, namely, ultrasonic welding machines, particularly machines and apparatus with sonotrodes; machines and apparatus for material treatment, namely, ultrasonic generators, weld horns and ultrasonic towers; machines and apparatus for binding o...