Qicheng Feng

3 Patents

• USD11067912025

  Knife Sharpener

  0 cites
• US123132402025

  Swimming Pool Lamp

  Shenzhen Huaxiang Technology Co., Ltd.

  0 cites
• US122517132025

  Method for Froth-controlled Flotation of Argillaceous Lepidolite Ore

  Kunming University Of Science And Technology

  0 cites