CZ

Changshun Zheng

Overall (All Time): #3,145,930 of 4,157,543Top 80%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8366841 Lead-free free-cutting corrosion-resistant silicon-bismuth brass alloy Feng Peng, Baoping Xia, Jianping Liu, Bin Feng, Wenjian Liu 2013-02-05