Dechong Zeng

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Guiyang, CN

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Patents Grantslast 30 patents

Information Patent Grant
House structure with expandable function
- Patent number 11,512,486
- Issue date Nov 29, 2022
- Guizhou Hankaisi Intelligent Technology Co., Ltd.
- Chuan Yu
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
HOUSE STRUCTURE WITH EXPANDABLE FUNCTION
- Publication number 20210189749
- Publication date Jun 24, 2021
- Chuan Yu
- G01 - MEASURING TESTING