QF

Qingchuan FENG

Overall (2024): #307,144 of 561,600Top 55%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11904412 Production line of H-shaped steel and production method Zhenming CHEN, Dongrong XIE, Zhizhen LV, Zhiyong ZUO, Shitao HUANG +1 more 2024-02-20