[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 : 42] "Scientific And Industrial Research, Computer Programming, Valve Added Services In Respect Of Compressors, Their Parts And Components".[Class : 37] Building Construction, Repair, Installation Services, Overhauling Of Compressors,[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".