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Invention Grant
US839384A Parallel-feeder protection. 失效
并发饲料保护。

  • Patent Title: Parallel-feeder protection.
  • Patent Title (中): 并发饲料保护。
  • Application No.: US1904209030
    Application Date: 1904-05-21
  • Publication No.: US839384A
    Publication Date: 1906-12-25
  • Inventor: HAWKINS LAURENCE A
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1904209030 1904-05-21
Parallel-feeder protection.
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