中文
Home > Scientific Research > Patents

一种高速钢轧辊及其在电磁场下离心复合制备的方法

Hits:

  • Type of Patent:发明

  • State of Patent:已失效

  • Authorization number:200910235071.9

  • Service Invention or Not:no

  • Application Date:2009-11-13

  • Authorization Date:2012-12-19
gajgljgfg Click:
  MOBILE Version

The Last Update Time:..