Membership
Tour
Register
Log in
ANSTEEL GROUP MINING CORPORTION LIMITED
Follow
Organization
ANSHAN, CN
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Full-face shaft tunnel boring machine system
Patent number
11,891,865
Issue date
Feb 6, 2024
HEFEI DESIGN & RESEARCH INSTITUTE OF COAL INDUSTRY CO., LTD
Huidong Xu
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
FULL-FACE SHAFT TUNNEL BORING MACHINE SYSTEM
Publication number
20240068308
Publication date
Feb 29, 2024
HEFEI DESIGN & RESEARCH INSTITUTE OF COAL INDUSTRY CO., LTD
Huidong XU
E21 - EARTH DRILLING MINING
Trademark
last 30 trademarks