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一种启闭进出风门的矿用轨道车辆控制装置

  • Release time:2020-10-30
  • Hits:

  • Disigner of the Invention: 

    wuzhengyan,梁巍巍

  • Note: 

    吴征艳,梁巍巍

  • Type of Patent: 

    国际

  • State of Patent: 

    专利撤回

  • Application Number: 

    200920036478.4

  • Number of Inventors: 

    3

  • Service Invention or Not: 

    no

  • Application Date: 

    2009-02-17

  • First Author: 

    jiangshuguang
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