11 Air filtering installations; Bakers' ovens; Bathroom heaters; Disinfectant apparatus; Friction lighters for igniting gas; Hot air ovens; Hot water heating installations; Nuclear reactors; Radiators, electric; Refrigerating cabinets
The mark consists of the wording "DUVEL" in stylized font. Color is not claimed as a feature of the mark. The wording DUVEL has no meaning in a foreign language.