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于广云   Professor

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一种高压旋喷扩盘桩

Release time:2020-10-30  Hits:

  • Disigner of the Invention:yuguangyun
  • Note:于广云
  • Type of Patent:国际
  • State of Patent:专利撤回
  • Application Number:200520134155.0
  • Authorization number:CN 2844222Y
  • Number of Inventors:3
  • Service Invention or Not:no
  • Application Date:2005-12-01
  • Authorization Date:2006-12-06
  • First Author:葛新辉