ZM

Zhigang Ma

BC Baoshan Iron & Steel Co.: 1 patents #18 of 84Top 25%
Overall (2021): #189,190 of 548,734Top 35%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
10889874 Thick steel plate for high heat input welding and having great heat-affected area toughness and manufacturing method therefor Jian Yang, Shan Gao, Ruizhi Wang, Caiyi Zhang, Junkai Wang +2 more 2021-01-12