HS CodesXVIII · Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof90 · Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof9031903120903120Chapter 90Copy pageTest benchesDescriptionMeasuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors : Test benchesWas this page helpful?YesNoPrevious903110Machines for balancing mechanical partsNextFor inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)903141