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last 30 patents
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Patent Application
HEAT EXCHANGER AND AIR CONDITIONING DEVICE
Publication number
20250189146
Publication date
Jun 12, 2025
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Guanjun WANG
F24 - HEATING RANGES VENTILATING
Information
Patent Application
MICROCHANNEL HEAT EXCHANGER GROUP AND AIR CONDITIONING SYSTEM HAVIN...
Publication number
20250052520
Publication date
Feb 13, 2025
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Wenjian WEI
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
MICRO-CHANNEL HEAT EXCHANGER
Publication number
20240280326
Publication date
Aug 22, 2024
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Wenjian WEI
F28 - HEAT EXCHANGE IN GENERAL