TREA

Tsan Chung Industrial Co., Ltd.

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary eraser assembly
    • Patent number 7,904,989
    • Issue date Mar 15, 2011
    • Tsan Chung Industrial Co., Ltd.
    • Tao-Chuan Chen
    • B24 - GRINDING POLISHING