Da Zheng

3 Patents

• USD10817252025

  Tire Inflator

  Chongqing Maiyi Technology Co., Ltd.

  0 cites
• USD10594242025

  Inflator

  0 cites
• US117140252023

  Pseudo-static Test Device and Method for Seismic Behavior of Connection Joints of Wallboard

  Chengdu University Of Technology

  0 cites