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last 30 patents
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Patent Application
METHOD FOR CONTROLLING AIR CONDITIONER PROVIDED WITH BIPOLAR ION GE...
Publication number
20220072191
Publication date
Mar 10, 2022
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
JIYI ZHANG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Application
AIR DUCT MACHINE
Publication number
20200340687
Publication date
Oct 29, 2020
Qingdao Haier Air-conditioning Electronic Co., Ltd
Xunzhi ZHU
F24 - HEATING RANGES VENTILATING