[Class : 17] 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, Semi Processed Synthetic Polymer Resins, Polymeric Porous Membranes In Sheet Form, Polymer Resin Fibres [Other Than For Use In Textiles], Elastomeric Polymers For Use In Manufacture