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Jie Shuai

OE Otis Elevator: 1 patents #88 of 253Top 35%
Overall (2021): #404,203 of 548,734Top 75%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10974928 Elevator emergency operation device — 2021-04-13