ZA948509B - Filtering method and apparatus - Google Patents

Filtering method and apparatus

Info

Publication number: ZA948509B
Authority: ZA; South Africa
Prior art keywords: filtering method; filtering
Prior art date: 1993-11-02

Application number

ZA948509A

Inventor

Holger Engdahl

Pekka Toermikoski

Original Assignee

Ahistrom Corp A

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.)

1993-11-02

Filing date

1994-10-28

Publication date

1995-10-25

1994-10-28 Application filed by Ahistrom Corp A filed Critical Ahistrom Corp A

1995-10-25 Publication of ZA948509B publication Critical patent/ZA948509B/en

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI934853A FI934853A0 (en)	1993-11-02	1993-11-02	Filtreringsfoerfarande och -anordning

Publications (1)

Publication Number	Publication Date
ZA948509B true ZA948509B (en)	1995-10-25

Family

ID=8538892

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA948509A ZA948509B (en)	1993-11-02	1994-10-28	Filtering method and apparatus

Country Status (2)

Country	Link
FI (1)	FI934853A0 (en)
ZA (1)	ZA948509B (en)

1993
- 1993-11-02 FI FI934853A patent/FI934853A0/en not_active Application Discontinuation
1994
- 1994-10-28 ZA ZA948509A patent/ZA948509B/en unknown

Also Published As

Publication number	Publication date
FI934853A0 (en)	1993-11-02

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