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NANJING KANGNI NEW TECHNOLOGY OF MECHANTRONIC CO., LTD.

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  • JIANGSU, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    POWERLESS HELICAL LOCKING MECHANISM FOR DOOR
    • Publication number 20100319259
    • Publication date Dec 23, 2010
    • NANJING KANGNI NEW TECHNOLOGY OF MECHANTRONIC CO., LTD.
    • Xiang Shi
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES