Invention Grant
US2342550A Method of activating cathodes 失效
活化阴极的方法

  • Patent Title: Method of activating cathodes
  • Patent Title (中): 活化阴极的方法
  • Application No.: US49264843
    Application Date: 1943-06-26
  • Publication No.: US2342550A
    Publication Date: 1944-02-22
  • Inventor: EUGENE LEMMERS
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US49264843 1943-06-26
  • Main IPC: H01J9/04
  • IPC: H01J9/04
Method of activating cathodes
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