Inventor

WEN QINGLIANG

CN2 patents

Patents

2 patents

US10907767B2Feb 2, 2021

Guide rail oiling tool

BOE TECHNOLOGY GROUP CO LTD1 citations57

US9934948B2Apr 3, 2018

Magnetron-sputtering coating system and method, and display substrate

BOE TECHNOLOGY GROUP CO LTD0 citations40