Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THERE OF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORD ERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 71 Automatic data processing machines and units thereof; magnetic or optical reader 84 71 30 84 71 30 00 Commodity Code Description 84 71 30 00 00 - Portable automatic data processing machines, weighing not more than 10 kg, consisting 84 71 41 00 00 -- Comprising in the same housing at least a central processing unit and an input and ou 84 71 49 00 00 -- Other, presented in the form of systems 84 71 50 00 00 - Processing units other than those of sub-heading 8471.41 or 8471.49, whether or not co 84 71 60 00 00 - Input or output units, whether or not containing storage units in the same housing 84 71 70 00 00 - Storage units 84 71 80 00 00 - Other units of automatic data processing machines 84 71 90 00 00 - Other