Inventor

QI ZHAOJUN

CN2 patents

Patents

2 patents

US9132538B2Sep 15, 2015

Single shaft yaw electric bolt-tightening machine

QI ZHAOJUN1 citations39

US9302372B2Apr 5, 2016

Electric fastening head for fastening lock nut of single through shaft

QI ZHAOJUN0 citations29