BR9500853A - Backwash system - Google Patents

Backwash system

Info

Publication number
BR9500853A
BR9500853A BR9500853A BR9500853A BR9500853A BR 9500853 A BR9500853 A BR 9500853A BR 9500853 A BR9500853 A BR 9500853A BR 9500853 A BR9500853 A BR 9500853A BR 9500853 A BR9500853 A BR 9500853A
Authority
BR
Brazil
Prior art keywords
backwash system
backwash
Prior art date
Application number
BR9500853A
Other languages
Portuguese (pt)
Inventor
Attilio Turchetti
Original Assignee
Attilio Turchetti
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 Attilio Turchetti filed Critical Attilio Turchetti
Priority to BR9500853A priority Critical patent/BR9500853A/en
Publication of BR9500853A publication Critical patent/BR9500853A/en

Links

BR9500853A 1995-02-20 1995-02-20 Backwash system BR9500853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9500853A BR9500853A (en) 1995-02-20 1995-02-20 Backwash system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9500853A BR9500853A (en) 1995-02-20 1995-02-20 Backwash system

Publications (1)

Publication Number Publication Date
BR9500853A true BR9500853A (en) 1997-04-29

Family

ID=4060796

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9500853A BR9500853A (en) 1995-02-20 1995-02-20 Backwash system

Country Status (1)

Country Link
BR (1) BR9500853A (en)

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Legal Events

Date Code Title Description
FF Decision: granting
HO Change of classification

Free format text: INT. CL. 6 B01D 35/16 E B01D 29/19

FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 20/02/2015