CN300830445S - 带放大器的扬声器 - Google Patents
带放大器的扬声器Info
- Publication number
- CN300830445S CN300830445S CN200730310903.0F CN200730310903F CN300830445S CN 300830445 S CN300830445 S CN 300830445S CN 200730310903 F CN200730310903 F CN 200730310903F CN 300830445 S CN300830445 S CN 300830445S
- Authority
- CN
- China
- Prior art keywords
- speaker
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-019737 | 2007-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN300830445S true CN300830445S (zh) | 2008-09-17 |
Family
ID=
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Main classification number: 14-01 Termination date: 20120913 |