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Hits:   Date:2021-09-09

  • Title:Broadband ultrathin sound wave diffusion structure（英国）
  • First Author:Yulin Mei
  • Disigner of the Invention:wangxiaoming,梅艺璇
  • Application Number:EP3570560
  • Authorization Date:2017-04-26
  • Authorization number:EP17907955.3（英国）

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