Invention Grant
US2157024A Gauge line wiper 失效
量规雨刮器

  • Patent Title: Gauge line wiper
  • Patent Title (中): 量规雨刮器
  • Application No.: US14522537
    Application Date: 1937-05-28
  • Publication No.: US2157024A
    Publication Date: 1939-05-02
  • Inventor: GLEN SMITH
  • Applicant: GLEN SMITH
  • Assignee: Smith Glen
  • Current Assignee: Smith Glen
  • Priority: US14522537 1937-05-28
  • Main IPC: G01F23/00
  • IPC: G01F23/00
Gauge line wiper
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