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Invention Grant
US2719914A Radio relay system comprising a travelling wave tube 失效
包括行波管的无线电继电器系统

  • Patent Title: Radio relay system comprising a travelling wave tube
  • Patent Title (中): 包括行波管的无线电继电器系统
  • Application No.: US9401849
    Application Date: 1949-05-18
  • Publication No.: US2719914A
    Publication Date: 1955-10-04
  • Inventor: OSKAR DOEHLER
  • Applicant: CSF
  • Assignee: Csf
  • Current Assignee: Csf
  • Priority: FR901300X 1948-05-28
  • Main IPC: H01J25/38
  • IPC: H01J25/38 ;  H04B7/155 ;  H04N5/40
Radio relay system comprising a travelling wave tube
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