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Invention Grant
US2014733A Vacuum tube system 失效
真空管系统

  • Patent Title: Vacuum tube system
  • Patent Title (中): 真空管系统
  • Application No.: US62528832
    Application Date: 1932-07-28
  • Publication No.: US2014733A
    Publication Date: 1935-09-17
  • Inventor: HANSELL CLARENCE W
  • Applicant: RCA CORP
  • Assignee: RCA Corp
  • Current Assignee: RCA Corp
  • Priority: US62528832 1932-07-28
  • Main IPC: H04B15/00
  • IPC: H04B15/00
Vacuum tube system
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