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US2010698A Testing hermetically closed cores for mercury boilers 失效
测试水银锅炉密闭的核心

  • Patent Title: Testing hermetically closed cores for mercury boilers
  • Patent Title (中): 测试水银锅炉密闭的核心
  • Application No.: US64935332
    Application Date: 1932-12-29
  • Publication No.: US2010698A
    Publication Date: 1935-08-06
  • Inventor: NEWKIRK BURT L
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US64935332 1932-12-29
  • Main IPC: G01M3/22
  • IPC: G01M3/22
Testing hermetically closed cores for mercury boilers
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