CN300751341S - 防吸力隔气存水弯 - Google Patents
防吸力隔气存水弯Info
- Publication number
- CN300751341S CN300751341S CN200730072623.0F CN200730072623F CN300751341S CN 300751341 S CN300751341 S CN 300751341S CN 200730072623 F CN200730072623 F CN 200730072623F CN 300751341 S CN300751341 S CN 300751341S
- Authority
- CN
- China
- Prior art keywords
- suction air
- air trap
- trap
- suction
- air
- 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
Links
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN300751341S true CN300751341S (zh) | 2008-02-27 |
Family
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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: 20080227 Main classification number: 25-02 Termination date: 20110119 |