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Invention Grant
US812038A Regulation of electric currents which feed electric arcs. 失效
供电电磁场的电流调节。

  • Patent Title: Regulation of electric currents which feed electric arcs.
  • Patent Title (中): 供电电磁场的电流调节。
  • Application No.: US1904233860
    Application Date: 1904-11-22
  • Publication No.: US812038A
    Publication Date: 1906-02-06
  • Inventor: HESSBERGER JOHANNES
  • Applicant: BASF AG
  • Assignee: Basf Ag
  • Current Assignee: Basf Ag
  • Priority: US1904233860 1904-11-22
Regulation of electric currents which feed electric arcs.
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