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Invention Grant
US1121569A Furnace structure. 失效
炉结构。

  • Patent Title: Furnace structure.
  • Patent Title (中): 炉结构。
  • Application No.: US1913749797
    Application Date: 1913-02-21
  • Publication No.: US1121569A
    Publication Date: 1914-12-15
  • Inventor: MEYER HERMAN L
  • Applicant: MEYER HERMAN L
  • Assignee: Herman L Meyer
  • Current Assignee: Herman L Meyer
  • Priority: US1913749797 1913-02-21
Furnace structure.
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