CN303997547S - - Google Patents
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- Publication number
- CN303997547S CN303997547S CN303997547S CN 303997547 S CN303997547 S CN 303997547S CN 303997547 S CN303997547 S CN 303997547S
- Authority
- CN
- China
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Main classification number: 21-01 |