RY

Renyun Yan

BC Baoshan Iron & Steel Co.: 1 patents #30 of 127Top 25%
Overall (2022): #289,415 of 548,613Top 55%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11248298 Chromium-free surface-treated tinplate, production method and surface treating agent therefor Peng Li, Junsheng Wei, Binghu Li 2022-02-15