Apparatus for disinfecting water; Book sterilization apparatus; Disinfectant apparatus for banknotes; Disinfectant apparatus for medical purposes; Disinfectant dispensers for toilets; Germicidal lamps for purifying air; Oil purifying installations; Sewage purification installations; Ultraviolet ray lamps, not for medical purposes; Water filtering apparatus; Water purification installations; Water purifying apparatus and machines; Dish disinfectant apparatus for industrial purposes; Electric a...