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产生进气涡流的带螺旋通道的进气门及内燃机

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  • Affilication of Author(s):机械工程学院

  • Patent Applicant:xiezongfa,changyingjie

  • Type of Patent:发明

  • Application Number:ZL2016105857532

  • Number of Inventors:2

  • Service Invention or Not:no

  • Application Date:2016-07-22

  • Publication Date:2019-04-02

  • Authorization Date:2019-04-02

  • Publication Date:2019-04-02

  • Application Date:2016-07-22

  • Authorization Date:2019-04-02
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