7 Compressors, turbines and turbo machinery, namely, axial compressors, radial compressors, gear compressors, multiple shaft compressors, process gas turbines, axial expanders, radial expanders for compressors; turbines and turbo machinery, namely, machine sets being combinations of gear compressors, turbines, axial and radial expanders and power generators; process-gas screw compressors, screw expanders, industrial steam turbines not for land vehicles, industrial gas turbines not for land vehicles; gears for the aforementioned goods, in particular gear drives, reduction gears, transfer gears, combined gear compressors and gear expanders, gear companders