[Class : 6] Flanges And Covers Of Metal; Flanges And Covers Of Metal For Use As Sight Holes And Cleaning Holes In Industrial Process Equipment And For Ducting And Piping; Parts And Fittings For All The Mentioned Items In This Class; Common Metals And Their Alloys; Metal Building Materials; Transportable Buildings Of Metal; Materials Of Metal For Railway Tracks; Non Electric Cables And Wires Of Common Metal; Ironmongery, Small Items Of Metal Hardware; Pipes And Tubes Of Metal; Safes; Goods Of Common Metal Not Included In Other Classes; Ores.[Class : 20] Covers Not Made Of Metal, Including Such Made Of Polycarbonate; Covers Not Made Of Metal For Use As Sight Holes And Cleaning Holes In Industrial Process Equipment And For Ducting And Piping; Parts And Fittings For All The Mentioned Items In This Class; Furniture, Mirrors, Picture Frames; Goods (Not Included In Other Classes) Of Wood, Cork, Reed, Cane, Wicker, Horn, Bone, Ivory, Whalebone, Shell, Amber, Mother Of Pearl, Meerschaum And Substitutes For All These Materials, Or Of Plastics.