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Invention Grant
US1019169A Mechanism for raising and lowering shutters or curtains. 失效
提升和降低快门或遮阳的机制。

  • Patent Title: Mechanism for raising and lowering shutters or curtains.
  • Patent Title (中): 提升和降低快门或遮阳的机制。
  • Application No.: US1908419211
    Application Date: 1908-03-04
  • Publication No.: US1019169A
    Publication Date: 1912-03-05
  • Inventor: MCCLOUD EDWARD H
  • Applicant: MCCLOUD EDWARD H
  • Assignee: Edward H Mccloud
  • Current Assignee: Edward H Mccloud
  • Priority: US1908419211 1908-03-04
Mechanism for raising and lowering shutters or curtains.
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