Invention Grant
US1233087A Parachute. 失效
降落伞。

  • Patent Title: Parachute.
  • Patent Title (中): 降落伞。
  • Application No.: US13223016
    Application Date: 1916-11-18
  • Publication No.: US1233087A
    Publication Date: 1917-07-10
  • Inventor: MACLEAN JOHN A
  • Applicant: MACLEAN JOHN A
  • Assignee: John A Maclean
  • Current Assignee: John A Maclean
  • Priority: US13223016 1916-11-18
Parachute.
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