China Railway No.3 Engineering Group Co.Ltd

Follow

Organization

Taiyuan, CN

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Method for installing steel tube arches
- Patent number 11,655,600
- Issue date May 23, 2023
- China Railway No.3 Engineering Group Co.Ltd
- Yugen Zhang
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
CONSTRUCTION METHOD FOR MAKING WATER-RICH SAND LAYER SHIELD OVER CR...
- Publication number 20210301660
- Publication date Sep 30, 2021
- Bridge & Tunnel Engineering Company of the Third Engineering Group Co. Ltd. o...
- Gangzhu LI
- E21 - EARTH DRILLING MINING
Information Patent Application
Method For Installing Steel Tube Arches
- Publication number 20210164176
- Publication date Jun 3, 2021
- China Railway No.3 Engineering Group Co.Ltd
- YUGEN Zhang
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Trademarklast 30 trademarks