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| 公开/私有: | 公开 私有 |
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Metals and manufacturing processes.
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- manufacturing processes (4)
- automation (2)
- metal-work (2)
- three-dimensional printing (2)
- cad/cam systems (1)
- commerce (1)
- composite materials (1)
- copper implements (1)
- design and construction (1)
- exports (1)
- first contact with europeans (1)
- friction materials (1)
- friction welding (1)
- history (1)
- illinois indians (1)
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- indian copperwork (1)
- industries (1)
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