[Class : 17] Joint Packings, Sealing Preparations And Stopping Materials; Insulating Materials And Articles; Gaskets For Tunnel Lining Segments, Watertight Seals For Tunnel Extension Segments, Gas Tight Seals For Tunnel Extension Segments, Fire Retardant Seals For Tunnel Extension Segments; Pipe Linings, Not Of Metal, Watertight Pipe Linings, Not Of Metal, Gas Tight Pipe Linings, Not Of Metal, Fire Resistant Pipe Linings, Not Of Metal, Fire Retardant Pipe Linings, Not Of Metal.[Class : 19] Building Materials And Components, Not Of Metal, Circular Rings Of Reinforced Concrete, Sections Of Circular Rings Of Reinforced Concrete For Lining Tunnels Of All Kinds; Tunnel Lining Segments; Linings, Non Metallic, For Building; Fire Protection Building Elements; Fire Protection Materials (Non Metallic ) For Use In Building; Watertight Linings For Tunnels, Not Of Metal, Gas Tight Linings For Tunnels, Not Of Metal, Fire Resistant Linings For Tunnels, Not Of Metal, Fire Retardant Linings For Tunnels, Not Of Metal.[Class : 37] Tunnelling; Tunnels (Drilling Of ); Lining Of Tunnels; Installation Of Linings In Tunnels, Installation Of Watertight Linings In Tunnels, Installation Of Gas Tight Linings In Tunnels, Installation Of Fire Resistant Linings In Tunnels, Installation Of Fire Retardant Linings In Tunnels; Installation Of Linings In Tunnel Segments, Installation Of Watertight Linings In Tunnel Segments, Installation Of Gas Tight Linings In Tunnel Segments, Installation Of Fire Resistant Linings In Tunnel Segments, Installation Of Fire Retardant Linings In Tunnel Segments; Installation Of Tubular Linings In Tunnels; Installation Of Fire Retardant Coatings In Tunnels, Installation Of Sealing Coatings In Tunnels.[Class : 6] Metal Casting Forms For Concrete, Casting Forms Of Metal For Production Of Tunnel Extension Segments.