7 Machine tools; machines and machine tools for treatment of materials and for manufacturing machines for working wood and its derivatives; machines for working iron and ferrous materials; machines for working glass; machines for working metals; machines for working plastics; machines for working stones; machines and machines tools for working leather; thermoforming machines for working plastic plates; blow molding machines; injection molding machines; machines for working marble, granites, stones, porcelain and synthetic materials; edge polishing machines; spindles for machine tools; tools for machine tools; grinding wheels, cutters and discs as parts of machines for working wood, metals, glass, ceramic, marble, granite, plastic materials, leather; structural parts for the aforesaid goods.