SJ

Shangzhong Ji

Overall (2024): #272,391 of 561,600Top 50%
1
Patents 2024

Issued Patents 2024

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