BR8602114A - Aperfeicoamento em tunel de avanco sob pressao - Google Patents

Aperfeicoamento em tunel de avanco sob pressao

Info

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
Application number
BR8602114A
Other languages
English (en)
Inventor
Clovis Rosa Da Cruz
Original Assignee
Construtora Civil E Ind S A Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Construtora Civil E Ind S A Co filed Critical Construtora Civil E Ind S A Co
Priority to BR8602114A priority Critical patent/BR8602114A/pt
Publication of BR8602114A publication Critical patent/BR8602114A/pt

Links

BR8602114A 1986-04-25 1986-04-25 Aperfeicoamento em tunel de avanco sob pressao BR8602114A (pt)

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)

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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