XIAODI ZHANG

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QINGDAO, SHANDONG PROVINCE, CN

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Patents Grantslast 30 patents

Information Patent Grant
Control method and system for refrigeration, oil return and noise r...
- Patent number 12,173,943
- Issue date Dec 24, 2024
- QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
- Ming Zhang
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
CONTROL METHOD AND SYSTEM FOR REFRIGERATION, OIL RETURN AND NOISE R...
- Publication number 20220011032
- Publication date Jan 13, 2022
- QINGDAO HAIER AIR-CONDITIONING ELECTONIC CO., LTD.
- MING ZHANG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...