FIELD: fish industry. SUBSTANCE: selective grid of the grading system has a frame and ties (longitudinal and lateral). The longitudinal ties are bent stepwise. EFFECT: higher grading efficiency and quality, reduced traumatism of young stock of valuable fish. 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TRAWL WITH DEVICE FOR DISCHARGING SMALL-SIZED FISH | 1996 |
|
RU2118491C1 |
| TRAWL WITH SORTING SYSTEM FOR PREVENTING SMALL OBJECTS TO BE CAUGHT | 1994 |
|
RU2092047C1 |
| TRAWL WITH DEVICE FOR RELEASING SMALL-SIZED OBJECTS | 1995 |
|
RU2098957C1 |
| SORTING SYSTEM FOR TRAWL | 1999 |
|
RU2171573C2 |
| SELECTIVE APPARATUS FOR DISCHARGING UNDERSIZED CAUGHT OBJECT FROM TRAWL | 1998 |
|
RU2170506C2 |
| METHOD FOR ASSESSMENT OF TRAUMATISM OF FISHES PASSING THROUGH TRAWL NETTING | 1991 |
|
RU2007914C1 |
| TRAWL FOR SMALL FISH | 0 |
|
SU1811784A1 |
| METHOD OF MANUFACTURING GRADING SCREEN FOR TRAWL | 2001 |
|
RU2204244C2 |
| APPARATUS FOR DETERMINING SURVIVAL OF FISH WHEN LEAVING TRAWL HEEL | 0 |
|
SU1143363A1 |
| APPARATUS FOR DETERMINING SELECTIVITY OF TRAWL | 0 |
|
SU1147310A1 |
