Invention Grant
US2149447A Furnace for treating materials at high temperatures 失效
用于高温处理材料的炉子

  • Patent Title: Furnace for treating materials at high temperatures
  • Patent Title (中): 用于高温处理材料的炉子
  • Application No.: US11431836
    Application Date: 1936-12-05
  • Publication No.: US2149447A
    Publication Date: 1939-03-07
  • Inventor: UNO LAMMHARRY FORSSELL
  • Applicant: ASEA AB
  • Assignee: Asea Ab
  • Current Assignee: Asea Ab
  • Priority: SE2149447X 1935-12-07
  • Main IPC: F27B5/04
  • IPC: F27B5/04 F27D11/02
Furnace for treating materials at high temperatures
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