90723206
May 20, 2021
May 24, 2022
Air cooling apparatus; Cooling installations for water; Cooling apparatus used for blood, intravenous solutions, irrigation solutions, and other medical and surgical fluids; Cooling units for industrial purposes; Filters for drinking water; Steam accumulators; Steam generating installations; Stills not for scientific purposes; Water filters; Water heaters; Water purifying apparatus and machines; Coils as parts of distilling, heating or cooling installations; Industrial refining towers for distillation; Steam heating apparatus; Water cooling towers
Environmental Control Apparatus