IC 011. US 013 021 023 031 034. G & S: Purifying apparatus and machines for purifying air or water; sterilizers; distillation apparatus; distillation columns; water filtering apparatus; water distillation units, namely, apparatus, equipment and installations for filtering, treating purifying and softening liquids; water filtration apparatus, equipment and installations for filtering liquids; water filters for hydraulic circuits as parts of industrial plants
IC 037. US 100 103 106. G & S: Equipment installation, maintenance and repair of filter apparatus; machinery installation, maintenance, repair; heating equipment installation and repair; machine installation services; commissioning, installation, repair and servicing of filters and filter systems; repair of drying apparatus; rental of tools, mixing machines, concrete mixers, and excavators; maintaining and cleaning of machines and machine tools
IC 040. US 100 103 106. G & S: Fuel and oil refining services; grinding; flour milling; engraving services; waste processing transformation; sorting and transformation of waste and recyclable materials; treatment of materials; petroleum and oil well treatment; mixing and filtering of products; and coppersmithing services
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