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Invention Grant
US2909152A Chick-viewing, heat-conserving hover 失效
小鸡观赏，保温悬停

  • Patent Title: Chick-viewing, heat-conserving hover
  • Patent Title (中): 小鸡观赏，保温悬停
  • Application No.: US68497157
    Application Date: 1957-09-19
  • Publication No.: US2909152A
    Publication Date: 1959-10-20
  • Inventor: NAT CORDIS
  • Applicant: NAT CORDIS
  • Assignee: Cordis Nat
  • Current Assignee: Cordis Nat
  • Priority: US68497157 1957-09-19
  • Main IPC: A01K31/19
  • IPC: A01K31/19
Chick-viewing, heat-conserving hover
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