YW

Youming Wang

GM General Research Institute For Nonferrous Metals: 1 patents #7 of 50Top 15%
Overall (All Time): #3,834,074 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5248328 Process for preparing rare earth containing hard alloy Congxun He, Chenguang Lin, Yunhua Shi 1993-09-28