CN305527186S - - Google Patents
Info
- Publication number
- CN305527186S CN305527186S CN305527186S CN 305527186 S CN305527186 S CN 305527186S CN 305527186 S CN305527186 S CN 305527186S
- Authority
- CN
- China
- 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
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR112023012931B1 (pt) | Método para formar uma vedação em um furo de poço, conjunto de metal intumescível para um tubular de campo petrolífero e sistema de metal intumescível para uso em um furo de poço | |
| CN306220507S (2) | ||
| CN306163476S (2) | ||
| CN306117120S (2) | ||
| CN305699918S (2) | ||
| CN305949046S (2) | ||
| CN305675706S (2) | ||
| CN305794810S (2) | ||
| CN305793815S (2) | ||
| CN305676199S (2) | ||
| CN305832675S (2) | ||
| CN306229686S (2) | ||
| CN305864009S (2) | ||
| CN305980569S (2) | ||
| CN306218710S (2) | ||
| CN306068500S (2) | ||
| CN305535497S (2) | ||
| CN305528259S (2) | ||
| CN305885563S (2) | ||
| CN306175637S (2) | ||
| CN305850567S (2) | ||
| CN305529771S (2) | ||
| CN305531474S (2) | ||
| CN305991878S (2) | ||
| CN305527629S (2) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Main classification number: 03-01 |