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Wihua Yang

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  • Ann Arbor, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacture of shaped tubular part
    • Patent number 7,941,907
    • Issue date May 17, 2011
    • GM Global Technology Operations LLC
    • Wihua Yang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...