| Classification of Products ver. 2002 (CZ-CPA) - level 5 - Class | 
                    3320 | 
                    Instruments and appliances for measuring, checking, testing, navigating and other purposes | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    332051 | 
                    Hydrometers, thermometers, pyrometers, barometers, hygrometers and psychrometers | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    332052 | 
                    Instruments for measuring or checking the flow, level, pressure or other variables of liquids and gases | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    332053 | 
                    Instruments and apparatus for physical or chemical analysis n.e.c. |