6
Raw and partially processed non-precious metals and their alloys, shaped metal parts that are cast, rolled, forged, pressed, drown, compressed, deep-drawn and/or machined as semi-finished products; metall tubes, pipe joint parts, valves and fittings, in particular made of copper and copper alloys
11
Parts of water-carrying systems, heat exchangers and hot water installations as well as sanitation facilities
40
Metal cutting and surface finishing of finished and semi-finished products made of non-ferrous metals, in particular of pipe joint parts, sanitary fittings, valves as well as measuring and control fittings made of copper and copper alloys
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