Invention Grant
US857281A Ball-bearing tube for tires. 失效
滚珠轴承套管。

  • Patent Title: Ball-bearing tube for tires.
  • Patent Title (中): 滚珠轴承套管。
  • Application No.: US1905283112
    Application Date: 1905-10-17
  • Publication No.: US857281A
    Publication Date: 1907-06-18
  • Inventor: HOGBEN WALTER
  • Applicant: HOGBEN WALTER
  • Assignee: Walter Hogben
  • Current Assignee: Walter Hogben
  • Priority: US1905283112 1905-10-17
Ball-bearing tube for tires.
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