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US3230485A Wave retarding structure 失效
波阻结构

  • Patent Title: Wave retarding structure
  • Patent Title (中): 波阻结构
  • Application No.: US17734962
    Application Date: 1962-03-05
  • Publication No.: US3230485A
    Publication Date: 1966-01-18
  • Inventor: WALTER SOBOTKA
  • Applicant: CSF
  • Assignee: Csf
  • Current Assignee: Csf
  • Priority: FR855669 1961-03-15
  • Main IPC: H01J23/24
  • IPC: H01J23/24
Wave retarding structure
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