| Classification of Products (CZ-CPA_2025) - level 5 - Category | 
                    28921 | 
                    Machinery for mining | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84303100 | 
                    Self-propelled coal or rock cutters and tunnelling machinery (excl. hydraulically operated self-advancing supports for mines) | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84303900 | 
                    Coal or rock cutters and tunnelling machinery, not self-propelled (excl. hand-operated tools and hydraulically operated self-advancing supports for mines) | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84304100 | 
                    Self-propelled boring or sinking machinery for boring earth or extracting minerals or ores (excl. those mounted on railway or tramway wagons, motor vehicle chassis or lorries and tunnelling machinery) | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84304900 | 
                    Boring or sinking machinery for boring earth or extracting minerals or ores, not self-propelled and not hydraulic (excl. tunnelling machinery and hand-operated tools) |