E21C 27/06
With a slewing frame
Official title: with a slewing frame
E21C27/06 (With a slewing frame) appears on 1 US grants and 0 published applications in this corpus.
Search patents in E21C- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 1
- Latest grant
- 26 May 1987
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| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
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