Ventilation and water pipe apparatus and installations; filters in the form of strips and cartridges not included in other classes; filtration apparatus being containers for filters, for fine filters, in particular for fine biological filters, for aspiration of surfaces and bottom sediments and for ventilation; filtration apparatus being filtering containers for fine filters, in particular for fine biological filters as well as cartridges of filter fabrics made of geological textiles for use in the said fine filters; pipe conduits for filters, in particular for fine filters, and for aspiration of pond surfaces and bottom sediments, for water supply and for ventilation

Construction parts and construction materials (non-metallic) for constructing and repairing artificial ponds and artificial pond installations, in particular bathing ponds; geological textiles, in particular for filtering strips; building materials being frames (non-metallic) for filters, for fine filters, in particular for fine biological filters and for aspiration of surfaces and bottom sediments and for ventilation; sheets for lining ponds, non-woven materials for bottom lining, strips of fabric, empty or full, to be installed in ponds

Prosthesis and grafts for the human body including vascular grafts