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Invention Grant
US858688A Vibrator adjustment for induction-coils. 失效
用于感应线圈的振动调节。

  • Patent Title: Vibrator adjustment for induction-coils.
  • Patent Title (中): 用于感应线圈的振动调节。
  • Application No.: US1907367098
    Application Date: 1907-04-08
  • Publication No.: US858688A
    Publication Date: 1907-07-02
  • Inventor: VARLEY RICHARD
  • Applicant: AUTOCOIL COMPANY
  • Assignee: Autocoil Company
  • Current Assignee: Autocoil Company
  • Priority: US1907367098 1907-04-08
Vibrator adjustment for induction-coils.
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