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一种高效长寿多功能叶片轮

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  • Affilication of Author(s):材料科学与工程学院

  • Patent Applicant:Zhu Ruifu

  • Type of Patent:实用新型

  • Application Number:200820022903.X

  • Number of Inventors:1

  • Service Invention or Not:no

  • Application Date:2008-05-22

  • Publication Date:2009-03-25

  • Authorization Date:2009-03-25

  • Publication Date:2009-03-25

  • Application Date:2008-05-22

  • Authorization Date:2009-03-25
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