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 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 56 Machine-tools for working material by laser/light/photon beam, etc 84 56 20 Operated by ultrasonic processes 84 56 20 00 Operated by ultrasonic processes Commodity Code Description 84 56 20 00 000 Operated by ultrasonic processes
