中文

控制转炉炉底上涨和炉壁积渣的调渣护炉方法

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  • 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

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