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Invention Grant
US1538045A Feed-water heating and delivering apparatus 失效
给水加热输送装置

  • Patent Title: Feed-water heating and delivering apparatus
  • Patent Title (中): 给水加热输送装置
  • Application No.: US66275323
    Application Date: 1923-09-14
  • Publication No.: US1538045A
    Publication Date: 1925-05-19
  • Inventor: KING JOHN J
  • Applicant: KING JOHN J
  • Assignee: John J King
  • Current Assignee: John J King
  • Priority: US66275323 1923-09-14
  • Main IPC: F22D3/00
  • IPC: F22D3/00
Feed-water heating and delivering apparatus
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