BR8602114A - Aperfeicoamento em tunel de avanco sob pressao - Google Patents
Aperfeicoamento em tunel de avanco sob pressaoInfo
- Publication number
- BR8602114A BR8602114A BR8602114A BR8602114A BR8602114A BR 8602114 A BR8602114 A BR 8602114A BR 8602114 A BR8602114 A BR 8602114A BR 8602114 A BR8602114 A BR 8602114A BR 8602114 A BR8602114 A BR 8602114A
- Authority
- BR
- Brazil
- Prior art keywords
- tunel
- advanced
- under pressure
- performance under
- performance
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR8602114A BR8602114A (pt) | 1986-04-25 | 1986-04-25 | Aperfeicoamento em tunel de avanco sob pressao |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR8602114A BR8602114A (pt) | 1986-04-25 | 1986-04-25 | Aperfeicoamento em tunel de avanco sob pressao |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8602114A true BR8602114A (pt) | 1987-11-10 |
Family
ID=4039987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8602114A BR8602114A (pt) | 1986-04-25 | 1986-04-25 | Aperfeicoamento em tunel de avanco sob pressao |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR8602114A (pt) |
-
1986
- 1986-04-25 BR BR8602114A patent/BR8602114A/pt not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) | ||
B15K | Others concerning applications: alteration of classification |
Ipc: E21D 9/08 (2006.01), E21D 11/00 (2006.0 |