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Invention Grant
US1749651A Method of preparing bituminous paving compositions 失效
制备沥青铺路组合物的方法

  • Patent Title: Method of preparing bituminous paving compositions
  • Patent Title (中): 制备沥青铺路组合物的方法
  • Application No.: US28401728
    Application Date: 1928-06-08
  • Publication No.: US1749651A
    Publication Date: 1930-03-04
  • Inventor: WALLACE EDWIN C
  • Applicant: WALLACE EDWIN C
  • Assignee: Edwin C Wallace
  • Current Assignee: Edwin C Wallace
  • Priority: US28401728 1928-06-08
  • Main IPC: E01C7/18
  • IPC: E01C7/18
Method of preparing bituminous paving compositions
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