Yujun Xu

2 Patents

• US123908912025

  Comprehensive Quantitative Evaluation Method and System for Welding Usability of Welding Consumables

  HARBIN WELDING INSTITUTE LIMITED COMPANY

  0 cites
• US118238202023

  PTC Starter

  HANGZHOU STAR SHUAIER ELECTRIC APPLIANCE CO., Ltd.

  0 cites