Invention Grant
US955461A Method of manufacturing filaments for incandescent lamps. 失效
制造不良灯的灯丝的方法。

  • Patent Title: Method of manufacturing filaments for incandescent lamps.
  • Patent Title (中): 制造不良灯的灯丝的方法。
  • Application No.: US1904220662
    Application Date: 1904-08-13
  • Publication No.: US955461A
    Publication Date: 1910-04-19
  • Inventor: HOWELL JOHN W
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1904220662 1904-08-13
Method of manufacturing filaments for incandescent lamps.
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