[Class : 17] Raw Or Partly Processed Gum; Crude Rubber; Raw Rubber; Gaskets; Gaskets Of Metal; Non Metal Gaskets; Rubber Gaskets For Autoclaves; O Rings; O Rings Being Machine Parts; Sealing Rings; Seals, Non Metallic, For Conduits; Chemical Compositions For Sealing Leaks; Semi Processed Thermoplastic Polymer Resins; Polymer Films For Use In Manufacture; Semi Finished Molded Products Made Of Polytetrafluoroethylene; Graphite Packing Or Gaskets; Electromagnetic Interference Shielding Gaskets; Unprocessed And Semi Processed Rubber, Gutta Percha, Gum, Asbestos, Mica And Substitutes For All These Materials; Plastics And Resins In Extruded Form For Use In Manufacture.