CN302021878S - 排水止回阀 - Google Patents
排水止回阀Info
- Publication number
- CN302021878S CN302021878S CN201230039760.5 CN302021878S CN 302021878 S CN302021878 S CN 302021878S CN 302021878 S CN302021878 S CN 302021878S
- Authority
- CN
- China
- Prior art keywords
- check valve
- design
- product
- drain check
- view
- 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 - Lifetime
Links
Abstract
1.使用本外观设计的产品名称为“排水止回阀”；2.本外观设计产品主要用于城市排水管道；3.设计要点在于产品的形状；4.指定最能表明设计要点的图片为主视图；5.省略左视图、右视图、后视图。
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN302021878S true CN302021878S (zh) | 2012-08-01 |
Family
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 Main classification number: 23-01 |