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Hits:   Date:2021-09-09

  • Title:BREITBANDIGE ULTRADüNNE SCHALLWELLENDIFFUSIONSSTRUKTUR（德国）
  • First Author:Yulin Mei
  • Disigner of the Invention:wangxiaoming,梅艺璇
  • Application Number:DE602017031908.2
  • Authorization Date:2021-04-26
  • Authorization number:DE17907955.3（德国）

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