Tonghua Normal University

China

 
Total IP 1
Total IP Rank # 1,257,887
IP Activity Score 0/5.0    0
IP Activity Rank # 1,661,163

Patents

Trademarks

1 0
0 0
0 0
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Last Patent 2020 - Sea tunnel
First Patent 2019 - Sea tunnel

Latest Inventions, Goods, Services

2019 Invention Sea tunnel. The present disclosure provides a sea tunnel, and relates to the technical field of s...