[Class : 6] Containers Of Metal Cylinder, Bottles, Cinnisters And Catridges, All Being For Compressed And Liquefied, Gases; All Type Of Pipe And Pipe Flanges Made Of Alloy Steel, Stainless Steel And Carbon Steel For All Sorts Of Liquid, Semi Liquid, Gas And Air Included In Class 6, Unwrought And Partly Wrought Common Metals; Metal Alloys, Metallic Pipes And Tubes.