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Invention Grant
US3201216A Apparatus for producing electronic tube stems 失效
用于生产电子管茎的装置

  • Patent Title: Apparatus for producing electronic tube stems
  • Patent Title (中): 用于生产电子管茎的装置
  • Application No.: US7690560
    Application Date: 1960-12-19
  • Publication No.: US3201216A
    Publication Date: 1965-08-17
  • Inventor: WALTER HANDMANN RICHARD
  • Applicant: RCA CORP
  • Assignee: RCA Corp
  • Current Assignee: RCA Corp
  • Priority: US7690560 1960-12-19
  • Main IPC: H01J19/46
  • IPC: H01J19/46
Apparatus for producing electronic tube stems
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