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US2882486A Secondary emission measurement 失效
二次排放测量

  • Patent Title: Secondary emission measurement
  • Patent Title (中): 二次排放测量
  • Application No.: US61629656
    Application Date: 1956-10-16
  • Publication No.: US2882486A
    Publication Date: 1959-04-14
  • Inventor: EBERHARDT EDWARD H
  • Applicant: ITT
  • Assignee: Itt
  • Current Assignee: Itt
  • Priority: US61629656 1956-10-16
  • Main IPC: G01R31/24
  • IPC: G01R31/24
Secondary emission measurement
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