[Class : 9] Crucibles; Heat Regulating Apparatus;[Class : 11] Crucibles For Industrial Purposes And Parts Thereof; Refractory Furnaces; Apparatus To Be Used On Furnaces; Loading Apparatus For Furnaces; Fittings, Shaped For Furnaces; Stands For Crucibles; Crucible Liners; Damping Apparatus [Parts Of Furnaces]; Damping Nozzles [Parts Of Furnaces]; Stoppers [Part And Fittings O...