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一种同频脉冲磁场与脉冲电流细化金属凝固组织的方法

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  • Type of Patent:发明

  • State of Patent:已授权

  • Authorization number:201110095199.7

  • Service Invention or Not:no

  • Application Date:2011-04-15

  • Authorization Date:2012-12-19
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