[Class : 37] 'Building Construction; Repair; Installation Services; Overhauling Of Compressors'.[Class : 42] 'Scientific And Industrial Research; Computer Programming; Value Added Services In Respect Of Compressors, Their Parts And Components'.[Class : 7] "Machines And Machine Tools; Motors And Engines (Except For Land Vehicles); Machine Coupling And Transmission Components (Except For Land Vehicles); Agricultural Implements Other Than Hand Operated; Incubators For Eggs; Valves And Valve Parts For Use In Compressors (Reciprocating/Screw/Rotary); Piston Rings; Rider Rings; Piston Rods; Scrapper Rings; Pistons Crankshafts".[Class : 17] 'Rubber, Gutta Percha, Gum , Asbestos, Mica And Goods Made From These Materials And Not Included In Other Classes, Plastics In Extruded Form For Use In Manufacture; Packing, Stopping And Insulating Materials; Flexible Pipes, Not Of Metal; Packing Rings; Packings'.