GM

Guangfeng Mao

DC Dongnan Elevator Co.: 1 patents #11 of 15Top 75%
Overall (2017): #410,965 of 506,227Top 85%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9688513 Specific elevator anti-fall buffer based on flexible guidance Zhencai Zhu, Jiancong Qin, Guohua Cao, Wei Li, Gongbo Zhou +4 more 2017-06-27