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BR8207054A - STEEL TOOL OF NIOBIO - Google Patents

STEEL TOOL OF NIOBIO

Info

Publication number
BR8207054A
BR8207054A BR8207054A BR8207054A BR8207054A BR 8207054 A BR8207054 A BR 8207054A BR 8207054 A BR8207054 A BR 8207054A BR 8207054 A BR8207054 A BR 8207054A BR 8207054 A BR8207054 A BR 8207054A
Authority
BR
Brazil
Prior art keywords
niobio
steel tool
tool
steel
Prior art date
Application number
BR8207054A
Other languages
Portuguese (pt)
Inventor
Helio Goldenstein
Original Assignee
Escola Politecnica Da Universi
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 Escola Politecnica Da Universi filed Critical Escola Politecnica Da Universi
Priority to BR8207054A priority Critical patent/BR8207054A/en
Publication of BR8207054A publication Critical patent/BR8207054A/en

Links

BR8207054A 1982-12-01 1982-12-01 STEEL TOOL OF NIOBIO BR8207054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR8207054A BR8207054A (en) 1982-12-01 1982-12-01 STEEL TOOL OF NIOBIO

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8207054A BR8207054A (en) 1982-12-01 1982-12-01 STEEL TOOL OF NIOBIO

Publications (1)

Publication Number Publication Date
BR8207054A true BR8207054A (en) 1984-07-10

Family

ID=4032227

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8207054A BR8207054A (en) 1982-12-01 1982-12-01 STEEL TOOL OF NIOBIO

Country Status (1)

Country Link
BR (1) BR8207054A (en)

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 01/12/97