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 40 Book-binding machinery,incl. book-sewing machines 84 40 90 Parts 84 40 90 00 Parts Commodity Code Description 84 40 90 00 000 Parts