Invention Grant
US673791A System for continuous metal-rolling. 失效
连续金属轧制系统

  • Patent Title: System for continuous metal-rolling.
  • Patent Title (中): 连续金属轧制系统
  • Application No.: US1900031989
    Application Date: 1900-10-04
  • Publication No.: US673791A
    Publication Date: 1901-05-07
  • Inventor: ALLIS THOMAS V
  • Applicant: ALLIS THOMAS V
  • Assignee: Thomas V Allis
  • Current Assignee: Thomas V Allis
  • Priority: US1900031989 1900-10-04
System for continuous metal-rolling.
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