• 中文

刘初升   Professor

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捷线等厚筛面

Release time:2020-10-30  Hits:

  • Disigner of the Invention:zhaoyuemin
  • Note:赵跃民
  • Type of Patent:国际
  • State of Patent:专利撤回
  • Application Number:97243275.2
  • Authorization number:CN 2319141Y
  • Number of Inventors:2
  • Service Invention or Not:no
  • Application Date:1997-12-19
  • Authorization Date:1999-03-18
  • First Author:刘初升