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Zhongqing Zai

Overall (All Time): #3,968,503 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4643741 Thermostable polycrystalline diamond body, method and mold for producing same Hongchang Yu, Zhen Yang, Chaodong WANG 1987-02-17