Feifei Liang

2 Patents

• US125279822026

  Explosion-proof Box for Batteries

  CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

  0 cites
• US123381802025

  Process for Producing Microcrystalline Alpha-alumina by Microwave Calcination

  HENAN CHANGXING INDUSTRY CO, Ltd.

  0 cites