6
[ metal pipes and pipelines, both rigid and flexible, for the transport of fluids, and parts and fittings therefor; end-fittings, metal reinforcers for flexible pipes, umbilicals and integrated service lines, and parts and fittings therefor]
17
[ Polymeric pipes and non-metal pipes and pipelines, both rigid and flexible, for the transport of fluids, and parts and fittings therefor; end-fittings, polymeric reinforcement for flexible pipes, umbilicals and integrated service lines, and parts and fittings therefor]
37
Construction of rigid and flexible pipes and pipelines for fluid transfer, rust proofing, providing information concerning construction, installation and repair of pipelines and oil extraction
42
Research and development for others in the field of petrochemicals, on-and off-shore oil and gas industry, and of rigid and flexible pipe construction, installation and repair; designing computer programs; computer programming; consultation in the fields of petrochemicals, on-and off-shore oil and gas industry, and of rigid and flexible pipe construction, installation and repair; providing engineering services and oil well testing for the petrochemical industry and for the on-and off-shore oil and gas industry
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