[Class : 6] Pipes, Tubes And Hoses, And Fittings Thereof, Including Valves Of Metal, Metal Hardware Including&Nbsp;Nuts, Bolts And Fasteners Of Metal, Machines And Machine Tools[Class : 7] Air Compressors, Suction Valves For Air Compressors, Rotary Air Compressors, Air Condensers, Screw Air Compressors, Rental Of Air Compressors