Drill bit having geometrically sharp inserts
US-9212523-B2 · Dec 15, 2015 · US
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Yong Zhou patents in 2015
Yong Zhou was listed as an assignee on 1 patent publication in 2015.
| Metric | Value |
|---|---|
| Company | Yong Zhou |
| Year | 2015 |
| Patents | 1 |
Patents
Representative publications for Yong Zhou in 2015.
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Most common classification codes for Yong Zhou in 2015.
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