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Invention Grant
US804370A Support for the shafts or instruments. 失效
支持手提或仪器。

  • Patent Title: Support for the shafts or instruments.
  • Patent Title (中): 支持手提或仪器。
  • Application No.: US1904201629
    Application Date: 1904-04-05
  • Publication No.: US804370A
    Publication Date: 1905-11-14
  • Inventor: BECKERT FRANK R
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1904201629 1904-04-05
Support for the shafts or instruments.
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