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Invention Grant
US839894A Securing device for track-rails. 失效

  • Patent Title: Securing device for track-rails.
  • Application No.: US1906335302
    Application Date: 1906-09-19
  • Publication No.: US839894A
    Publication Date: 1907-01-01
  • Inventor: SCOTT WARREN
  • Applicant: SCOTT WARREN
  • Assignee: Warren Scott
  • Current Assignee: Warren Scott
  • Priority: US1906335302 1906-09-19
Securing device for track-rails.
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