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US3100889A Apparatus for sensing variations 失效
用于感测变化的装置

  • Patent Title: Apparatus for sensing variations
  • Patent Title (中): 用于感测变化的装置
  • Application No.: US72914858
    Application Date: 1958-04-17
  • Publication No.: US3100889A
    Publication Date: 1963-08-13
  • Inventor: CANNON MAXWELL R
  • Applicant: IBM
  • Assignee: Ibm
  • Current Assignee: Ibm
  • Priority: US72914858 1958-04-17
  • Main IPC: B65H23/02
  • IPC: B65H23/02 ;  B65H23/34 ;  G01B7/04 ;  G06K19/02
Apparatus for sensing variations
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