[Class : 1] Filtering Materials [Chemical, Mineral, Vegetable And Other Unprocessed Materials]. [Class : 7] Filter Press Machines; Liquid Filter Cartridges For Filter Press Machines. [Class : 11] Filtering Units For Insulating Oils, Fuel Oils And Lubricating Oils; Filtering Units For Clarification, Sterilization And Mixing Of Liquids, Air And Gases For Foods, Beverages, Cosm...