DZ

Daokun Zhang

Overall (All Time): #2,727,285 of 4,157,543Top 70%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11008026 Motor train unit feces collecting system and operating method thereof Sheng Yan, Kai Li, Xinyu Liu, Tengcheng Ling, Dan Liu +1 more 2021-05-18