Oxygenation device for fish farm

The utility model relates to an oxygenation device for a fish farm, which belongs to the technical field of aquaculture fishery and comprises an air extracting pump and a fixing rod, the fixing rod is rotatably connected to the bottom of the air extracting pump through a rotating mechanism, the top...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG JIAN, FAN ZHIYING, HU ZAIJIN, SHAO XIUFANG, HU JING, WANG MEIRONG, ZHANG WEIDONG, WANG YALING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY CARE OF BIRDS, FISHES, INSECTS FISHING FORESTRY HUMAN NECESSITIES HUNTING NEW BREEDS OF ANIMALS REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR TRAPPING
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