Invention Grant
US723989A Pole-shoe for dynamo-electric machines. 失效
用于动力电机的POLE-SHOE。

  • Patent Title: Pole-shoe for dynamo-electric machines.
  • Patent Title (中): 用于动力电机的POLE-SHOE。
  • Application No.: US1901073049
    Application Date: 1901-08-23
  • Publication No.: US723989A
    Publication Date: 1903-03-31
  • Inventor: CHURCHWARD ALEXANDER
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1901073049 1901-08-23
Pole-shoe for dynamo-electric machines.
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