Invention Grant
US1034812A Fireproof door or shutter. 失效
FIREPROOF门或快门。

  • Patent Title: Fireproof door or shutter.
  • Patent Title (中): FIREPROOF门或快门。
  • Application No.: US1908458794
    Application Date: 1908-10-21
  • Publication No.: US1034812A
    Publication Date: 1912-08-06
  • Inventor: MCCLOUD EDWARD H
  • Applicant: MCCLOUD EDWARD H
  • Assignee: Edward H Mccloud
  • Current Assignee: Edward H Mccloud
  • Priority: US1908458794 1908-10-21
Fireproof door or shutter.
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