TREA

Hellhead Enterprise Co., Ltd.

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic spindle
    • Patent number 4,776,159
    • Issue date Oct 11, 1988
    • Hellhead Enterprise Co., Ltd.
    • Wen-Hai Lu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...