Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles 85 Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles 85 43 Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this Chapter. 85 43 20 Signal generators Commodity Code Description 85 43 20 00 Signal generators