| Classification of Products ver. 2002 (CZ-CPA) - level 4 - Group | 
                    241 | 
                    Basic chemicals | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    24131 | 
                    Chemical elements n.e.c.; inorganic acids and compounds | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    24132 | 
                    Metallic halogenates; hypochlorites, chlorates and perchlorates | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    24133 | 
                    Sulphides, sulphates; nitrates, phosphates and carbonates | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    24134 | 
                    Salts of other metals | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    24135 | 
                    Other basic inorganic chemicals n.e.c. | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    24139 | 
                    Industrial services for other basic inorganic chemicals |