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Invention Grant
US2017047A Directional antenna arrangement 失效
定向天线布置

  • Patent Title: Directional antenna arrangement
  • Patent Title (中): 定向天线布置
  • Application No.: US59812432
    Application Date: 1932-03-11
  • Publication No.: US2017047A
    Publication Date: 1935-10-15
  • Inventor: WESTON HANSELL CLARENCE
  • Applicant: RCA CORP
  • Assignee: RCA Corp
  • Current Assignee: RCA Corp
  • Priority: US59812432 1932-03-11
Directional antenna arrangement
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