• 中文

许晓静   

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大型30CrNi2MoV钢件的短流程制造方法

Date:2019-10-22  Hits:

  • Type of Patent:发明
  • State of Patent:已授权
  • Authorization number:201610129132.3
  • Service Invention or Not:no
  • Application Date:2016-03-07
  • Authorization Date:2017-12-15