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一种改善难造球铁精矿成球性的方法

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  • Release time:2017-09-04

  • Disigner of the Invention:张元波 李光辉 姜涛 周友连 范晓慧 黄柱成 等

  • Type of Patent:Invent

  • State of Patent:Authorized patents

  • Authorization number:201410430524.4

  • Service Invention or Not:no

  • Authorization Date:2016-11-30

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