BR9700681A - Aperfeiçoamento em ventilador-exaustor centrífugo - Google Patents

Aperfeiçoamento em ventilador-exaustor centrífugo

Info

Publication number
BR9700681A
BR9700681A BR9700681A BR9700681A BR9700681A BR 9700681 A BR9700681 A BR 9700681A BR 9700681 A BR9700681 A BR 9700681A BR 9700681 A BR9700681 A BR 9700681A BR 9700681 A BR9700681 A BR 9700681A
Authority
BR
Brazil
Prior art keywords
extractor
improvement
centrifugal fan
centrifugal
fan
Prior art date
Application number
BR9700681A
Other languages
English (en)
Inventor
Leonardo Jacob Keim
Original Assignee
Leonardo Jacob Keim
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 Leonardo Jacob Keim filed Critical Leonardo Jacob Keim
Priority to BR9700681A priority Critical patent/BR9700681A/pt
Publication of BR9700681A publication Critical patent/BR9700681A/pt

Links

BR9700681A 1997-01-15 1997-01-15 Aperfeiçoamento em ventilador-exaustor centrífugo BR9700681A (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9700681A BR9700681A (pt) 1997-01-15 1997-01-15 Aperfeiçoamento em ventilador-exaustor centrífugo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9700681A BR9700681A (pt) 1997-01-15 1997-01-15 Aperfeiçoamento em ventilador-exaustor centrífugo

Publications (1)

Publication Number Publication Date
BR9700681A true BR9700681A (pt) 1998-12-08

Family

ID=4066455

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9700681A BR9700681A (pt) 1997-01-15 1997-01-15 Aperfeiçoamento em ventilador-exaustor centrífugo

Country Status (1)

Country Link
BR (1) BR9700681A (pt)

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law