TREA

Ching-Liang LIU

Follow

Person

  • Yanchao Township, TW
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Coil spring shaper
    • Patent number 5,927,123
    • Issue date Jul 27, 1999
    • Ching-Liang Liu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents