CS192690A2 - Filter with variable filtering surface - Google Patents
Filter with variable filtering surfaceInfo
- Publication number
- CS192690A2 CS192690A2 CS901926A CS192690A CS192690A2 CS 192690 A2 CS192690 A2 CS 192690A2 CS 901926 A CS901926 A CS 901926A CS 192690 A CS192690 A CS 192690A CS 192690 A2 CS192690 A2 CS 192690A2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- filter
- filtering surface
- variable filtering
- variable
- filtering
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS901926A CS192690A2 (en) | 1990-04-18 | 1990-04-18 | Filter with variable filtering surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS901926A CS192690A2 (en) | 1990-04-18 | 1990-04-18 | Filter with variable filtering surface |
Publications (2)
Publication Number | Publication Date |
---|---|
CS274887B2 CS274887B2 (en) | 1991-11-12 |
CS192690A2 true CS192690A2 (en) | 1991-11-12 |
Family
ID=5354876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS901926A CS192690A2 (en) | 1990-04-18 | 1990-04-18 | Filter with variable filtering surface |
Country Status (1)
Country | Link |
---|---|
CS (1) | CS192690A2 (en) |
-
1990
- 1990-04-18 CS CS901926A patent/CS192690A2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CS274887B2 (en) | 1991-11-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
IF00 | In force as of 2000-06-30 in czech republic | ||
MM4A | Patent lapsed due to non-payment of fee |
Effective date: 20090418 |