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machines and installations, for use in the following fields: Thermal processing of metals; machines and installations, for use in the following fields: Chemical and heat treatment of metals; machines and installations, for use in the following fields: Smelting of metals; metal casting machines; machines and installations, for use in the following fields: Surface treatment of metals; Centrifugal pumps; Aerocondensers; Blast machinery; Injector blasters and pressure booths (machines); Galvanizing machines; Phosphatisation apparatus, Equipment for tinning, chrome plating, nickel plating and zinc plating; Moving and handling equipment; Welding and soldering equipment; Industrial cleaning machines [polishers]; Paint stripping apparatus [machines]; drilling and sharpening machines and apparatus; Compressors for air handlers; Dry-cleaning machines; Pressure washing machines; Cranes (lifting and hoisting equipment), especially Freight cranes for trucks and Mobile cranes; Agricultural implements other than hand-operated; Incubators for eggs; Self-propelled cranes; Mechanical and hydraulic lifts; Pneumatic and hydraulic lifting dampers; Cleaning machines and apparatus; Woodworking machines; Grinding machines, For industrial purposes; Air hammers; Harvesting machines; Shovels, mechanical; Elevating apparatus; Mechanical hoists; dust extractors, For cleaning purposes; Suction equipment, For industrial purposes; Snow ploughs; Ploughshares; Levelling devices (as parts of machines); Woodworking machines and related parts; Drill heads being parts of machines; drilling bits being parts of machines; Electric hand-held drilling equipment; Drill chucks (parts of machines); maids [parts of machines], specifically: metal-boring bits and Masonry drills; And installations, for use in the following fields: Industrial dust and dirt extraction; Compressors, being integral components of heating equipment and air-conditioning apparatus