中文
Home > Scientific Research > Patents

控制转炉炉底上涨和炉壁积渣的调渣护炉方法

Hits:

  • Type of Patent:发明

  • State of Patent:已失效

  • Authorization number:201110037848.8

  • Service Invention or Not:no

  • Application Date:2011-02-15

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

The Last Update Time:..