TREA

Her Yeang-Yai

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double-purpose hand tool
    • Patent number 4,942,637
    • Issue date Jul 24, 1990
    • Her Yeang-Yai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS