• 中文

符永宏   

No content

Patents Current position: Home > Scientific Research > Patents

一种密封面具有泵送槽的机械密封环加工方法及成型模具

Date:2019-10-23  Hits:

  • Type of Patent:发明
  • State of Patent:已授权
  • Authorization number:201410414001.0
  • Service Invention or Not:no
  • Application Date:2014-08-21
  • Authorization Date:2017-06-27
Pre One: 一种密封面具有泵送槽的机械密封环加工成型模具

Click: | The Last Update Time:-- | Open time:-- | MOBILE Version

gajgljgfg