Luming Zhang

2 Patents

• US124610012025

  Electric-hydraulic Brinell Hardness Testing Head and Portable Electric-hydraulic Brinell Hardness Tester

  SHENYANG TIANXING TESTING INSTRUMENTS CO., Ltd.

  0 cites
• US116159322023

  Pluggable Connecting Device for Contactors and a Contactor

  Eaton Electrical Ltd.

  0 cites