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last 30 patents
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Patent Grant
Efficient self-circulation biological denitrification device and wo...
Patent number
11,548,801
Issue date
Jan 10, 2023
CHUANGTSING ECOLOGICAL ENVIRONMENT (NINGBO) CO., LTD.
Jianming Cai
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
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Patent Application
EFFICIENT SELF-CIRCULATION BIOLOGICAL DENITRIFICATION DEVICE AND WO...
Publication number
20220298042
Publication date
Sep 22, 2022
CHUANGTSING ECOLOGICAL ENVIRONMENT(NINGBO) CO., LTD.
Jianming CAI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE