Apparatus and installations for membrane filtration, disinfecting and sterilization of water and all aqueous solutions; modular processing units for re-using depolluted water; permeable and semi-permeable membranes for apparatus and equipment for treating water and aqueous solutions; biological membrane reactors (apparatus), in particular in the field of treatment of water and aqueous or hydro-organic solutions; modular membrane units for eliminating organic compounds, bacteria, parasites and viruses in the field of re-using depolluted water

Services for treating liquids, in particular industrial, municipal and domestic wastewaters; services for purifying and filtering fluids on organic or mineral membranes, membrane regeneration and reactivation; operating membrane water treatment plants

Coated steels; finished steel; galvanized steel plate; stainless steel; steel; steel alloys; steel building materials; steel fabrications; steel pipes; steel strips; steel tubes; alloys of common metal; articles of common metal for use in building; articles of metal for use in furniture; articles of metal for use in joinery; articles of metal hardware; bars of metal; beams of metal; bearings of metal (structural supports for use in building); building products of metal; building structures of metal; chains of metal; common metals; common metals, unwrought or semi-wrought; conduit fittings of metal (non-electric); containers of metal (storage, transport); couplings of metal for flexible pipes; drainage channels of metal; extrusions of metal; fabricated metal articles; fencing made of common metal; fittings of metal for pipes; foils of common metal; goods of common metal not included in other classes; junctions of metal for pipes; ladders of metal; laminated metal alloys; laminated metals; meshes of common metal; metal cladding; metal clamps (other than tools); metal door fittings; metal doors; metal foundry products; metal junction pipes (other than parts of machines, engines or sanitary installations); metal materials for railways; metal materials for roofs; metal pipe fittings; metal pipes (other than parts of machines, engines or sanitary installations); metal scaffolding; metal wire (common metal); modular metallic structures; ores of metal; partially worked common metals; pipes of metal; poles of metal; posts of metal; rails of metal; roofing materials of metal; sheet metal; storage apparatus (structures) of metal; tubes of metal; aluminium; coated aluminium; products made of aluminium; articles of sheet iron; cast iron, unwrought or semi-wrought; galvanized iron; iron; iron alloys; iron ores; ironmongery; copper, unwrought or semi-wrought; lead, unwrought or semi-wrought