motors other than for land vehicles; clutches for machines; power transmission belts for machines; machines for the exploration, mining, extraction and for the transportation of fossil fuels, in particular crude oil and natural gas, and structural parts therefor; drilling rigs with derrick, hoisting apparatus and motorized drive for drill holes on land and at sea; conveying machines with drive power units or motors, conveyor belts, material transport blowers or worm conveyors; mechanical equipment being structural parts for the aforementioned machines, sold as a component of said machines, namely, power units and devices, masts, mechanical hoisting devices, hoists and hoisting apparatus, motorized drives, transmissions, pumps, slush pumps, sieves, vibrating sieves, compressors, shut-off devices, shut-off devices in the nature of preventers, devices for mounting and for handling drill pipes, drill pipe magazines, rotating heads for drill pipes, rotating heads for drill pipes in the nature of top drives, tubing machines, swivels and turn-tables; conveying machines, and apparatus and devices in the nature of conveyors for the conveying of drilled material and drilling residues for use in the oil and gas industry; high-pressure pumps, for conveying drilled material and drilling residues, in particular plunger pumps and piston pumps and structural parts therefor; structural parts of the aforementioned devices and machines, all for drilling technology

Apparatus and instruments for conducting, switching, transforming, storing, regulating and controlling electricity; data processing apparatus and computers; fire extinguishing apparatus; measuring, weighing, monitoring, signalling, controlling, rescuing, steering and regulating apparatus and devices for with the operation of drilling devices and installations for the exploration, mining, extraction and for the transportation of fossil fuels, in particular crude oil and natural gas, and structural parts of such installations; scientific devices for the operation of drilling technology and installations for the exploration, mining, extraction and for the transportation of fossil fuels for use in particular crude oil and natural gas, and structural parts of such installations

Lighting installations, heating installations, namely, industrial apparatus for recovering heat or energy for heating parts of drilling plants for deep-hole drilling, cooling installations for water, drying installations, namely, industrial apparatus for de-humidifying gas in drilling plants, and ventilation installations, namely, electric fans, ventilators and blowers for use in drilling plants for deep-hole drilling

project management services for others for business purposes rendered by a business economist for project management and project controlling in the oil and gas industry

Building construction; installation and repair services for machines and installations for use in the exploration, mining, extraction and transportation of fossil fuels, in particular crude oil and natural gas, and parts of such installations

Scientific and technological services, namely, research and design in the field of oil and gas exploration; industrial analysis and research services in the field of oil and gas exploration; design and development of computer hardware and software; technological research and consultation on building construction for drilling devices as well as for installations for the exploration, mining, extraction and for the transportation of fossil fuels, in particular crude oil and natural gas, and parts of such installations; scientific research services and engineering services in connection with the exploration and the mining of fossil fuels, in particular crude oil and natural gas; engineering services in connection with project management and project controlling in the oil and gas exploration field; development of computer hardware and computer software for all aforementioned services; development of computer hardware and computer software for controlling drilling devices as well as for installations for the exploration, mining, extraction and for the transportation of fossil fuels, in particular crude oil and natural gas, and parts of such installations; scientific research services and engineering services in connection with the creation, the putting into operation, the operation and the maintenance and repair of installations for the exploration, mining, extraction and for the transportation of fossil fuels, in particular crude oil and natural gas, and parts of such installations