E21C 27/42
Combined with scraper or collector box
Official title: combined with scraper or collector box
E21C27/42 (Combined with scraper or collector box) appears on 0 US grants and 1 published applications in this corpus.
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- Published applications
- 1
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- 1
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| Year | Granted patents | Published applications |
|---|---|---|
| 2024 | 0 | 1 |
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