Membership
Tour
Register
Log in
Beijing Guo Cheng Wan Tong Information Co. Ltd
Follow
Organization
Beijing, CN
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Methods and devices for transmitting/obtaining information by visib...
Patent number
9,407,367
Issue date
Aug 2, 2016
Beijing Guo Cheng Wan Tong Information Co. Ltd
Cheng Guo
H04 - ELECTRIC COMMUNICATION TECHNIQUE