6
Metal building materials; steel buildings; sheets, tubing, pipes of steel, cast iron or metal alloys; tanks of metal; containers of metal (storage, transport); hoppers [non-mechanical] of metal; pipe clack valves of metal; fittings of metal for compressed air or gas ducts; reinforcing materials of metal for building; penstock pipes [of metal]; pot hooks of metal; manifolds of metal for pipelines; turntables [railways]; cladding of metal for construction and building; tubes of metal; pipeworks of metal; pipes and tubes of metal; chutes and outfalls of metal
7
Installations and equipment for steelmaking ovens or shaft furnaces not included in other classes; installations and equipment for loading shaft furnaces, in particular blast furnaces; machines; motors and engines (except for land vehicles); machine couplings and belting (except for land vehicles); foundry machines; handling machines, automatic [manipulators]; conveyors; loading ramps; feeders for steelmaking ovens or shaft furnaces; loading devices for steelmaking ovens or shaft furnaces; equipment for steelworks; hydraulic drives for machines; control devices for machines; hydraulic or pneumatic devices for opening or closing loading devices for steelmaking ovens or shaft furnaces (machine parts); hydraulic or pneumatic devices for opening or closing valves, safety locks for steelmaking ovens or shaft furnaces (machine parts); mechanical discharging and loading hoppers; rotating chutes and outfalls (machines and machine parts); stands for machines; valves (machine parts); clack valves [parts of machines]; gears, other than for land vehicles; hydraulic circuits and controls and components therefor not included in other classes; driving chains other than for land vehicles
9
Electric and electronic installations for the remote control of industrial operations; electrical and electronic installations for the remote control of loading steelmaking ovens and blast furnaces; regulating apparatus, electric; heat regulating apparatus; boiler control instruments; control instruments for steelmaking ovens and blast furnaces; sensors, sensors for controlling and managing loading devices for steelmaking ovens and blast furnaces
37
Construction and repair; installation, maintenance and repair of installations, equipment and machinery for steelmaking; construction of metal, mechanical construction; construction engineering; construction, installation, care, repair and maintenance of loading devices for steelmaking ovens and blast furnaces
42
Scientific and technological services and research and design relating thereto; scientific and technological research and design in the area of steelmaking and loading devices for steelmaking ovens and blast furnaces; industrial analysis and research services; design and development of computer hardware and software; design and development of loading devices for steelmaking ovens and blast furnaces; architectural consultation; technical project studies; engineering; engineering relating to loading devices for steelmaking ovens and blast furnaces; construction drafting; buiding drafting relating to loading devices for steelmaking ovens and blast furnaces; mechanical research; technical research; engineering consultancy and services relating in particular to steelmaking installations, equipment and procedures; patent exploitation