• 中文

符永宏   

No content

一种凸轮轴表面激光加工方法

Date:2019-10-23  Hits:

  • Type of Patent:发明
  • State of Patent:已授权
  • Authorization number:201310483043.5
  • Service Invention or Not:no
  • Application Date:2013-10-16
  • Authorization Date:2015-08-05