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Huafeng Yan

ZC Zhejiang Dafeng Industry Co.: 1 patents #2 of 16Top 15%
Overall (2018): #392,513 of 503,207Top 80%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10122797 Independent and multi-unit co-operation stage control system Hua Feng, Lifeng Wu, Zhen Liu, Zhengping Wu, Haoxiang Xu 2018-11-06