- Section 18
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Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
- 90 31 Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors.
- 90 31 41 For inspecting semiconductor wafers or devices, photomasks or reticles used in...,
- 90 31 41 00 For inspecting semiconductor wafers or devices, photomasks or reticles used in...,
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Commodity Code Description
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- Section 18
- Chapter 90
- Heading 31