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Invention Grant
US2138306A Automatic apparatus for feeding strips or sheets to presses or other machines 失效
自动装置，用于将薄片或薄片送入冲压机或其他机器

  • Patent Title: Automatic apparatus for feeding strips or sheets to presses or other machines
  • Patent Title (中): 自动装置，用于将薄片或薄片送入冲压机或其他机器
  • Application No.: US16912837
    Application Date: 1937-10-15
  • Publication No.: US2138306A
    Publication Date: 1938-11-29
  • Inventor: ISAAC PATRICK
  • Applicant: BLISS E W CO
  • Assignee: Bliss E W Co
  • Current Assignee: Bliss E W Co
  • Priority: US16912837 1937-10-15
  • Main IPC: B21D43/24
  • IPC: B21D43/24
Automatic apparatus for feeding strips or sheets to presses or other machines
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