Pumps (machines); pumps (parts of machines, engines or motors); air operated diaphragm pumps; diaphragm metering pumps; engine or motor driven pumps; helical rotor pumps; magnetic drive pumps; multistage pumps; submersible pumps; centrifugal pumps; drum pumps; hose pumps; lobe pumps; mechanical diaphragm pumps; peristaltic pumps; slurry pumps; mechanical grease and oil separators; parts and accessories for said aforementioned goods included in this class