U.S. federal trademark · Serial No. 79140308 · Reg. No. 4745566
Built-in components for chemical engineering for use in material and heat exchange columns and towers, namely, liquid distributing elements for liquid flow regulating in the nature of hydraulic compensators, and separators for the cleaning and purification of liquids and gases and for systematic chemical exchange of material; built-in components for chemical engineering for use in material and heat exchange columns and towers, namely, gas distributing elements for gas flow regulating in the nature of baffles and channels for purification purposes, gas purification machines, gas regulators, and separators for the cleaning and purification of gases and for systematic chemical exchange of material; parts and fittings for the aforementioned goods in the nature of supporting grids, hold-down grids, and heat and air exchangers for systematic chemical exchange of material; all of the aforementioned made from metal, plastic, ceramics, and combinations of two or more of these materials
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