TREA

Ming Chai

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  • Tianjin, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Auto-unlock assembly for a tubular lock
    • Patent number 8,479,544
    • Issue date Jul 9, 2013
    • Eversafety Precision Industry (Tianjin) Co., Ltd.
    • Xiu-Feng Liu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents