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DD295751A5
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Feedingstuff for fish
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DD274761A1
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Method for ammonium elimination at the aquaculture in suesswasser
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DD284111A7
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Process for producing dry mixed food for fish
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DD263437A1
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Labyrinate separators for the mechanical cleaning of wastewaters
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DD255075A1
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Method and device for supplying fish for monitoring your health status and the attitude milief
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DD255150A1
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Device for the simultaneous extraction of sink and welding materials from wastewaters
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DD240327A1
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Device and method for combining the hydroponic upgrading of plants and intensive fish farming in packages
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DD236444A1
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Method for reducing energy and water consumption in intensive fish production plants
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DD231477A1
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Device for catching plankton organisms
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DD228438A1
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Device for fish production in floating containers with wastewater cleaning
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DD225895A1
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Containers for the fishing of fish
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DD239331A1
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Process for producing fodder for fish, the carbohydrate of which is substituted by cheese balconies
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DD223904A1
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Device for restoring fish and other water organisms
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DD216615A1
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Method for producing energy-efficient feed agents for fish
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DD213124A1
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Disconnect plate arrangement for sedimental effects from fish production
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