| Standard International Trade Classification (SITC) - level 3 - Group | 874 | Measuring, checking,analysing a.controll. instruments | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 87471 | Instruments and apparatus for measuring,detecting ionizing radiations | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 87473 | Cathode-ray oscilloscopes and cathode-ray oscillographs | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 87475 | Oth.instruments,apparatus,for measuring,checking voltage,current,etc | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 87477 | Other instruments,apparatus,specially designed for telecommunications | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 87478 | Oth.instruments,apparatus for measuring,checking electrical quantities | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 87479 | Parts,accessories for the instruments and apparatus of subgroup 874.7 |