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Invention Grant
US3274889A Routing attachment adapter for a power-driven hand drill 失效
用于电动手钻的路由附件适配器

  • Patent Title: Routing attachment adapter for a power-driven hand drill
  • Patent Title (中): 用于电动手钻的路由附件适配器
  • Application No.: US36823064
    Application Date: 1964-05-18
  • Publication No.: US3274889A
    Publication Date: 1966-09-27
  • Inventor: FERRIS WALLACE A
  • Applicant: STAMICARBON
  • Assignee: Stamicarbon
  • Current Assignee: Stamicarbon
  • Priority: US36823064 1964-05-18
  • Main IPC: B23B45/14
  • IPC: B23B45/14
Routing attachment adapter for a power-driven hand drill
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