NAME

贾振元

Patents

一种组合可调式搅拌摩擦焊搅拌头
  • Hits:
  • First Author:

    Fuji Wang

  • Disigner of the Invention:

    jiazhenyuan,徐长玉,Ma Janwei,董丰波

  • Application Number:

    CN201310287588.9

  • Authorization Date:

    2013-07-10

  • Authorization number:

    CN103331516A

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