Building materials made of metal, in particular high-grade steel precision castings for apparatus engineering, tool-making and mechanical engineering; flexible tubes made of metal, in particular flexible hoses for the transport of solvents, alcohols, acids, caustic solutions and fuels, in particular corrugated stainless steel hoses, except machine parts

Semi-finished filtering materials made of plastic, namely, ventilation fabrics, in the form of foils, fibers, films, and sheet; Hoses made of textile material for use in the water treatment and chemical industries; Sealing, packing and insulation materials; Heat resistant, insulating firesleeves to protect hoses, lines, cables and wires and abrasion and flame resistant insulating sleeves to protect hoses, lines, cables and wires; Flexible hoses made of plastic, in particular flexible hoses for the transport of solvents, alcohols, acids, caustic solutions and fuels; Hoses made of rubber, in particular elastomer for use in the water treatment and chemical industries; Flexible hoses, not made of metal, in particular flexible hoses of textile materials for the transport of solvents, alcohols, acids, caustic solutions and fuels; Filtering materials made of plastics, namely, filter fabrics and needle felts of plastics for separating solutes from liquids; Filtering materials made of plastics, namely, filter fabrics and needle felts of plastics for dedusting

Filtering materials of textile, namely, chemical fiber fabrics and synthetic fiber fabrics for separating solids from liquids; Filtering materials of textile, namely, chemical fiber fabrics and synthetic fiber fabrics for dedusting