Hits:
Type of Patent:发明
State of Patent:已失效
Authorization number:201210559848.9
Service Invention or Not:no
Application Date:2012-12-21
Authorization Date:2014-12-03
Pre One:一种含硼低合金高速钢轧辊及其制造方法
Next One:提高高速钢轧辊热处理效率和组织质量的电脉冲处理方法