Fengrong He

2 Patents

• US125801252026

  Electrode Structure and Preparation Methods Thereof

  YIDU DONGYANGGUANG FORMED FOIL CO., Ltd

  0 cites
• US115518762023

  Pressure Relief Valve and an Electrolytic Capacitor Therewith

  DONGGUAN HEC TECH R&D CO., Ltd.

  0 cites