11
Installations, apparatus and devices for lighting, heating, refrigerating, ventilating, irrigation, sanitary purposes, hot or cold water supply, drainage of wastewater and sewage; their parts and accessories not included in other classes
17
Rubber and products made thereof not included in other classes; fire-protection sleeves; plastics in extruded form for use in manufacture; flexible pipes not of metal; seals and connections not of metal for pipes; their parts and accessories not included in other classes
19
Building materials (non-metallic) of plastic; roofing materials (non-metallic -), cladding panels (non-metallic -), folding doors, not of metal, channels of non-metallic materials for transmitting air for ventilation, rigid profiles for building constructions (non-metallic -); pipes, not of metal, with or without fluid pressure; non-metallic rigid pipes for building; sanitation pipes, irrigation or drainage gutters, not of metal, gutters and drain pipes, water pipes, all not of metal; their parts and accessories not included in other classes
35
Assistance in running or managing a commercial venture, assistance in the business management or commercial functions of an industrial or commercial company; advertising; all these services in connection with all kinds of building materials, installations and apparatus for heating, ventilating, water supply and sanitary purposes, pipes, conduits, drains, seals, parts, components and accessories of those products