Invention Grant
US862012A Construction of brick pavements. 失效
砖结构施工。

  • Patent Title: Construction of brick pavements.
  • Patent Title (中): 砖结构施工。
  • Application No.: US1906329372
    Application Date: 1906-08-06
  • Publication No.: US862012A
    Publication Date: 1907-07-30
  • Inventor: PERKINS JOSEPH M
  • Applicant: PERKINS JOSEPH M
  • Assignee: Joseph M Perkins
  • Current Assignee: Joseph M Perkins
  • Priority: US1906329372 1906-08-06
Construction of brick pavements.
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