F22B 21/085
The tubes being placed in layers
Official title: {the tubes being placed in layers}
F22B21/085 (The tubes being placed in layers) appears on 2 US grants and 2 published applications in this corpus.
Search patents in F22B- Granted patents
- 2
- Published applications
- 2
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- 2
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- Latest grant
- 28 Jul 2020
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