Xiao Yu

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Weifang, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Air supply system
- Patent number 11,811,117
- Issue date Nov 7, 2023
- Changming Hu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
AIR SUPPLY SYSTEM
- Publication number 20220344690
- Publication date Oct 27, 2022
- Ceres Intellectual Property Company Limited
- Changming Hu
- H01 - BASIC ELECTRIC ELEMENTS