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一种经强化处理的曲面摩擦特性检测方法及装置

Date:2019-10-23  Hits:

  • Type of Patent:发明
  • State of Patent:已授权
  • Authorization number:201210425842.2
  • Service Invention or Not:no
  • Application Date:2012-10-31
  • Authorization Date:2015-06-10
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