SJ

Shangzhong Ji

Overall (All Time): #2,553,628 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12169104 Heat exchanger stainless steel vacuum casting brazing filler metal welding planeconnector and machining and welding method 2024-12-17