QB

Qiu Bi

XC Xiamen Lota International Co.: 1 patents #44 of 67Top 70%
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Patent #TitleCo-InventorsDate
11028465 Low-cost lead-free dezincification-resistant brass alloy for casting Zhenqing Hu, Jia Long, Yuanhao Cheng, Huawei Zhang, Qing Lv 2021-06-08