[Class : 6] Pipes Of Metal; Pipelines Of Metal; Pipeline Bundles Of Metal; Coated Pipelines Of Metal; Lined Pipelines Of Metal; Metallic Pipes And Pipelines Incorporating Heating Elements; Connectors, Linings And Sleeves For Pipes, All Being Of Metal; Metal Liners And Casings For Use In The Extraction And Conveyance Of Oil And Gas; Anchoring And Mooring Devices Of Metal...