Heading 9031: Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof:

Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof Machines for balancing mechanical parts

Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof Test benches

Other optical instruments and appliances For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)

For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits) For inspecting photomasks or reticles used in manufacturing semiconductor devices

For inspecting semiconductor wafers or devices For wafers

For inspecting semiconductor wafers or devices Other

Other Profile projectors

Other Coordinate-measuring machines

Other For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices

Other Other

Other instruments, appliances and machines Electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles

Other instruments, appliances and machines Other

Equipment for testing the characteristics of internal combustion engines For testing electrical characteristics

Equipment for testing the characteristics of internal combustion engines Other

Other

Parts and accessories Of profile projectors

Of other optical instruments and appliances, other than test benches Bases and frames for the coordinate-measuring machines of subheading 9031.49.40

Of other optical instruments and appliances, other than test benches Of optical instruments and appliances of subheading 9031.41 or 9031.49.70

Of other optical instruments and appliances, other than test benches Other

Other Of articles of subheading 9031.80.40

Other Other

Other Of machines for balancing mechanical parts

Other Of test benches

Other