CN302393268S - 罗茨液环真空机组(zj10000) - Google Patents
罗茨液环真空机组(zj10000)Info
- Publication number
- CN302393268S CN302393268S CN201230518925.7 CN302393268S CN 302393268 S CN302393268 S CN 302393268S CN 302393268 S CN302393268 S CN 302393268S
- Authority
- CN
- China
- Prior art keywords
- design
- liquid ring
- vacuum unit
- ring vacuum
- roots
- 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
1.本外观设计产品的名称:罗茨液环真空机组(ZJ10000);2.本外观设计产品的用途:一种通过移动气体而实现抽气的真空泵;3.本外观设计的设计要点:形状;4.最能表明设计要点的图片或者照片:立体图;5.仰视图无设计要点,省略仰视图。
Publications (1)
Publication Number | Publication Date |
---|---|
CN302393268S true CN302393268S (zh) | 2013-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Main classification number: 15-02 Termination date: 20211029 |