Invention Grant
US755743A Removable contact-finger tip. 失效
可拆卸接触指尖

  • Patent Title: Removable contact-finger tip.
  • Patent Title (中): 可拆卸接触指尖
  • Application No.: US1902114873
    Application Date: 1902-07-09
  • Publication No.: US755743A
    Publication Date: 1904-03-29
  • Inventor: CASE FRANK E
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1902114873 1902-07-09
Removable contact-finger tip.
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