TREA

Liu Yang; Yun Yueh

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety nail driving device
    • Patent number 4,805,825
    • Issue date Feb 21, 1989
    • Liu Yang; Yun Yueh
    • Bao-Shen Liu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS