Jiyi ZHANG

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Qingdao, CN

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Patents Applicationslast 30 patents

Information 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
Information 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