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Invention Grant
US2593848A Flap valve automatically guided by a feeling member 失效
瓣瓣由感觉部件自动引导

  • Patent Title: Flap valve automatically guided by a feeling member
  • Patent Title (中): 瓣瓣由感觉部件自动引导
  • Application No.: US72799847
    Application Date: 1947-02-12
  • Publication No.: US2593848A
    Publication Date: 1952-04-22
  • Inventor: MADS CLAUSEN
  • Applicant: MADS CLAUSEN
  • Assignee: Clausen Mads
  • Current Assignee: Clausen Mads
  • Priority: DK2593848X 1946-05-29
  • Main IPC: F16K1/18
  • IPC: F16K1/18 ;  G05D23/12
Flap valve automatically guided by a feeling member
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