Tag: Aeration tube

Heilongjiang Institute of Chinese Academy of Fishery Sciences,”A kind of overwintering oxygenation device for carp breeding ponds in cold northern regions” was granted the national utility model patent.
By: Date: 2020-11-18 Categories: foodtechnology Tags: ,

Heilongjiang Sololiang et al. completed”a wintering aeration device for carp breeding ponds in cold northern regions” and obtained the national utility model patent authorization. The authorized patent number is 202020476289.5.

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