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Saibo Kong

HU Henan Polytechnic University: 1 patents #9 of 128Top 8%
Overall (All Time): #2,788,457 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10633927 Internal reamer for anchor shaft hole for mining Hua Nan, Mingyang Song 2020-04-28