Invention Grant
US766321A Tubulating-machine for incandescent lamps. 失效
用于消毒灯的管式机器。

  • Patent Title: Tubulating-machine for incandescent lamps.
  • Patent Title (中): 用于消毒灯的管式机器。
  • Application No.: US1902098938
    Application Date: 1902-03-19
  • Publication No.: US766321A
    Publication Date: 1904-08-02
  • Inventor: BURROWS WILLIAM R
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1902098938 1902-03-19
Tubulating-machine for incandescent lamps.
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