TREA

Cheng-Kai Chiu Huang

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  • Kaohsiung, TW
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Patents Applicationslast 30 patents

  • Information Patent Application

    Method for Forming an U-shaped Metal Frame
    • Publication number 20110107805
    • Publication date May 12, 2011
    • Metal Industries Research & Development Centre
    • Cheng-Hsin Lee
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...