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GM General Research Institute For Nonferrous Metals: 1 patents #1 of 5Top 20%
Overall (2004): #212,984 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6720509 Vapor controlled czochralski (VCZ) single crystal growth apparatus Yonghong Wang, Jiayu Qian, Ping Song, Fengyi Zhang 2004-04-13