Dengjia He

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Construction system for subway station
- Patent number 9,822,506
- Issue date Nov 21, 2017
- Guangzhou Jishi Construction Group Co., Ltd.
- Changyin Ding
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
CONSTRUCTION SYSTEM FOR SUBWAY STATION
- Publication number 20150211205
- Publication date Jul 30, 2015
- GUANGZHOU JISHI CONSTRUCTION GROUP CO., LTD.
- Changyin Ding
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING