6
Pressure vessel, namely, fluid storage tanks and pressure bottles made of steel, metal, fibre-reinforced steel and fibre-reinforced metal; pressure storage devices consisting of pressure vessels, namely, fluid storage tanks and pressure bottles made of steel, metal, fibre-reinforced steel, and fibre-reinforced metal and structural parts therefor, namely, metal and steel piping; fibre-reinforced tubes and tube components made of metal, namely fittings, elbows and joints; metal line pipes for energy transport; weldless and welded steel tubes
7
Machine parts, namely, valves and supporting structures, namely metal and plastic frames for mounting and storing pressure vessels
17
Pressure vessels, namely, storage tanks, and pressure bottles of fibre-reinforced plastics; pressure storage devices consisting of pressure vessels, namely, storage tanks, and pressure bottles of fibre-reinforced plastics and structural parts therefor, namely, plastic piping for the aforementioned; fibre-reinforced, namely glass, aramid or carbon, tubes and plastic elbows, connectors, and fittings; plastic line pipes for energy transport
42
Engineering services; execution of technical tests by an expert specialized in material testing; and preparation of expert technical test reports in the field of metal and fibre-reinforced plastic pressure vessels, namely, metal and fibre-reinforced plastic fluid storage tanks and pressure bottles, and pressure storage devices; metal, steel and plastic piping; fibre-reinforced tubes; metal and plastic elbows, connectors; metal and plastic line pipes for energy transport, weldless and welded steel pipes