7 Machines and machine tools, namely, machines and machine tools used for underwater exploration, construction, and facilities maintenance and repair, and for construction, inspections, maintenance, salvage and exploration of underwater and marine structures, namely, underwater dredging machines; machines and machine tools for inspecting, cleaning and repairing oil and gas pipelines and equipment used in the oil and gas industries, namely, automated hydro-thrust cleaning units for pipelines; Machine coupling and transmission components for machines except for land vehicles; gas, air, and electric compressors; compressors as parts of machines, motors, and engines; separators for petroleum products, namely oil separators; Pumps, namely, air pressure amplifiers for machines; drilling rigs; drilling machines; derricks; drilling bits for oil drills; drilling equipment, namely, drilling rig mechanical handling machines and devices; power operated metalworking machine tools, namely, drilling tools; motorized tools and implements, namely, motorized cultivators; Machines for transportation, distribution and control of fluids, namely, blowing machines for the compression, exhaustion and transport of gases; valves being parts of machines; metal valve blocks being parts of machines; Machines, namely, blowing machines for the compression, exhaustion and transport of gases, and machine tools, namely, motorized cultivators for installation of well drilling equipment; Oilfield equipment, namely, devices for control, testing, and monitoring of drilling equipment, namely, drilling rig mechanization machines, downhole functions, namely, downhole oil and water separators for submersible pumps, air, gas, and water pressure, fluids and gas; Wellheads, geothermal wellheads, subsea wellheads and wellhead connectors, all in the nature of pipe fittings and flanges being structural components of oil and gas drilling and production machines; pipeline repair tools, namely, automated hydro-thrust cleaning units for pipelines; running tools, namely, power operated automatic casing running tools; Wellhead connectors being parts of oilfield wellhead machines; metal products for use in drilling and completion of oil- and gas wells and the production of oil and gas from wells, namely, well heads machines, christmas trees in the nature of pump control valves, and geothermal wellheads, subsea connectors, wellhead connectors, subsea wellheads, tubing hangers, and casing hangers, all being parts of oilfield wellhead machines; Adjustable wellhead devices being parts of oilfield wellhead machines; Subsea wellhead devices being parts of oilfield wellhead machines; Surface wellhead devices being parts of oilfield wellhead machines; Exploration wellhead devices being parts of oilfield wellhead machines; tie-back connectors being parts of oil and gas wells; High pressure and high temperature tie-back connectors being parts of oil and gas wells; casing connectors in oil and gas wells; suspension devices for oil and gas wells; Wellhead trees, namely, pump control valves; Wellhead dry trees, namely, pump control valves; Wellhead wet trees, namely, pump control valves; wellhead devices being parts of oilfield wellhead machines; Subsea wellhead temporary abandonment caps, namely, machine parts, namely, mechanical seals; conversion wellhead for oil and gas wells; Wellhead wet trees, namely, pump control valves, pneumatic well tubulars conveyors; Metal router templates for cutting inlays, shaft and fluid wellhead couplings for machines, fluid and gas intake and exhaust manifold structures; parts and fittings thereof for all the aforesaid goods, namely, core drilling bits and structural parts for drilling machines; All of the aforesaid goods, namely, valves being parts of machines being components of oil and gas drilling and production equipment
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