Invention Grant
US2159852A Pressing apparatus for articles such as valve stems 失效
用于诸如阀杆的物品的冲压装置

  • Patent Title: Pressing apparatus for articles such as valve stems
  • Patent Title (中): 用于诸如阀杆的物品的冲压装置
  • Application No.: US15799037
    Application Date: 1937-08-07
  • Publication No.: US2159852A
    Publication Date: 1939-05-23
  • Inventor: HOMEIER OTTO F
  • Applicant: GOODRICH CO B F
  • Assignee: Goodrich Co B F
  • Current Assignee: Goodrich Co B F
  • Priority: US15799037 1937-08-07
Pressing apparatus for articles such as valve stems
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