QM

Qingyu Meng

Overall (2021): #297,623 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11208124 Follow-up mechanism and brake caliper unit for gauge-changeable bogie Zhen Wang, Lingjun Wang, Xiaochao Dai, Xin Zhang, Fengzhou Wang +3 more 2021-12-28