SU1523133A1
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Apparatus for studying elements of behaviour of animals
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Fish catching trawl
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Wind power plant
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SU1549512A1
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Method of selecting mode of operation of jet attachments of holding ground
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SU1506017A1
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Arrangement for protecting fish from getting into water area hazardous zone
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SU1491423A1
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Device for subdueing aggressiveness of core animals
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SU1452511A1
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Trawl net
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SU1498433A1
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Arrangement for watering plants in the field with electrically charged liquid
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SU1551384A1
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Device for hydro-and-aeroionization
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SU1404027A2
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Arrangement for watering with electrically charged water
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SU1500229A1
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Trap for fish
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SU1423685A1
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Holding ground for removal of debris in water flow surface layer
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SU1330339A1
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Apparatus for generating electric power
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SU1414369A1
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Trawling net
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SU1514972A1
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Inertia-type air pump
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SU1340697A1
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Apparatus for investigating the movements of hydrobionts
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SU1369694A1
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Arrangement for catching fish
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SU1369693A1
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Fish protecting device
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Appliance for closing trawl trap
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Device for registering mechanical impulses and waves in vessel water
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