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22
Ropes, string, nets, tents, awnings, tarpaulins, sails, sacks and bags (not included in other classes); padding and stuffing materials (except of rubber or plastics); raw fibrous textile materials
[ components for erecting on-site fluid containment barriers and enclosures during drilling, completion and production of hydrocarbon, storage and disposal, and water wells, namely, tarps and protective liners for use in environmentally friendly applications ]
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37
Building construction; repair; installation services
installing and deploying modifiers and additives for mud and other fluids for use in environmentally friendly applications, namely, friction and viscosity modifiers, lubricants, stabilizers, and corrosion inhibitors, used in hydrocarbon drilling, completion, and production; providing consulting services relating to the installation and deployment of modifiers and additives for mud and other fluids for use in environmentally friendly applications, namely, friction and viscosity modifiers, lubricants, stabilizers, and corrosion inhibitors, used in hydrocarbon drilling, completion, and production [; building and maintaining on-site fluid containment barriers and enclosures for use in environmentally friendly applications during drilling, completion, and production of hydrocarbon, storage and disposal, and water wells ]
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40
Treatment of materials
blending modifiers and additives for mud and other fluids for use in environmentally friendly applications, namely, friction and viscosity modifiers, lubricants, stabilizers, and corrosion inhibitors, used in hydrocarbon drilling, completion, and production; providing consulting services relating to the blending of modifiers and additives for mud and other fluids for use in environmentally friendly applications, namely, friction and viscosity modifiers, lubricants, stabilizers, and corrosion inhibitors, used in hydrocarbon drilling, completion, and production
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
[ design of on-site fluid containment barriers and enclosures for use in environmentally friendly applications during drilling, completion, and production of hydrocarbon, storage and disposal, and water wells; ] consulting in the field of and monitoring of pressure control machines and instruments for others in environmentally friendly applications