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BR9302162A - Tunnel cladding and structural support system - Google Patents

Tunnel cladding and structural support system

Info

Publication number
BR9302162A
BR9302162A BR9302162A BR9302162A BR9302162A BR 9302162 A BR9302162 A BR 9302162A BR 9302162 A BR9302162 A BR 9302162A BR 9302162 A BR9302162 A BR 9302162A BR 9302162 A BR9302162 A BR 9302162A
Authority
BR
Brazil
Prior art keywords
support system
structural support
tunnel cladding
cladding
tunnel
Prior art date
Application number
BR9302162A
Other languages
Portuguese (pt)
Inventor
Guimaraes Joao Filho Duarte
Original Assignee
Guimaraes Joao Filho Duarte
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 Guimaraes Joao Filho Duarte filed Critical Guimaraes Joao Filho Duarte
Priority to BR9302162A priority Critical patent/BR9302162A/en
Publication of BR9302162A publication Critical patent/BR9302162A/en

Links

BR9302162A 1993-06-21 1993-06-21 Tunnel cladding and structural support system BR9302162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9302162A BR9302162A (en) 1993-06-21 1993-06-21 Tunnel cladding and structural support system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9302162A BR9302162A (en) 1993-06-21 1993-06-21 Tunnel cladding and structural support system

Publications (1)

Publication Number Publication Date
BR9302162A true BR9302162A (en) 1995-01-24

Family

ID=4056579

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9302162A BR9302162A (en) 1993-06-21 1993-06-21 Tunnel cladding and structural support system

Country Status (1)

Country Link
BR (1) BR9302162A (en)

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Legal Events

Date Code Title Description
EE Request for examination
FF Decision: granting
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law