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一种变螺距空心螺旋微量给粉装置及其设计方法

  • Release Time:2025-04-30
  • Hits:
  • Title: 

    一种变螺距空心螺旋微量给粉装置及其设计方法
  • Disigner of the Invention: 

    谭厚章;于世林;吕钊敏;熊小鹤
  • Type of Patent: 

    Invent
  • Application Number: 

    201911052123.9
  • Service Invention or Not: 

    No
  • Application Date: 

    2020-02-11
  • Date: 

    2025-04-30