Invention Grant
US904194A Regulation of polyphase furnaces. 失效
多晶磷的调节。

  • Patent Title: Regulation of polyphase furnaces.
  • Patent Title (中): 多晶磷的调节。
  • Application No.: US1908415768
    Application Date: 1908-02-13
  • Publication No.: US904194A
    Publication Date: 1908-11-17
  • Inventor: FLEMING RICHARD
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1908415768 1908-02-13
Regulation of polyphase furnaces.
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