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Hits:   Date:2020-02-17

  • Title:以吸声材料单元弱弹性级联为周期结构设计层的低频宽带吸声装置
  • First Author:Yulin Mei
  • Disigner of the Invention:wangxiaoming
  • Application Number:CN201410741306.2
  • Authorization Date:2014-12-08
  • Authorization number:CN104464711A

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