| Classification of Products ver. 2002 (CZ-CPA) - level 5 - Class | 
                    2640 | 
                    Bricks, tiles and construction products, in baked clay | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    264091 | 
                    Installation services of ceramic pipes, conduit, guttering and pipe fittings, including installation services for pipe systems in industrial plants | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    264092 | 
                    Repair and maintenance services of ceramic pipes, conduit, guttering and pipe fittings, and of systems of ceramic pipes in industrial plants | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    264099 | 
                    Industrial services for bricks, tiles and construction products, in baked clay |