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Hits:   Date:2019-12-10

  • Title:一种新型超薄声波阻抗变换器
  • First Author:Yulin Mei
  • Disigner of the Invention:wangxiaoming,梅艺璇,王元秀
  • Application Number:PCT/CN2016/090258
  • Authorization Date:2017-11-30
  • Authorization number:ZL PCT/CN2016/090258