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Invention Grant
US947983A Purifying tantalum. 失效
净化TANTALUM。

  • Patent Title: Purifying tantalum.
  • Patent Title (中): 净化TANTALUM。
  • Application No.: US1906337159
    Application Date: 1906-10-03
  • Publication No.: US947983A
    Publication Date: 1910-02-01
  • Inventor: WEINTRAUB EZECHIEL
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1906337159 1906-10-03
Purifying tantalum.
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