发明授权
US3046404A Method of and means for comparison of two electrical potentials for purposes of photometry and the like 失效
用于光度测定等的两个电位的比较的方法和装置

  • 专利标题: Method of and means for comparison of two electrical potentials for purposes of photometry and the like
  • 专利标题(中): 用于光度测定等的两个电位的比较的方法和装置
  • 申请号: US81196659
    申请日: 1959-05-08
  • 公开(公告)号: US3046404A
    公开(公告)日: 1962-07-24
  • 发明人: MARKUS BIERMANNCHRISTOPH KUEHNE
  • 申请人: ASKANIA WERKE AG
  • 专利权人: Askania Werke AG
  • 当前专利权人: Askania Werke AG
  • 优先权: DE3046404X 1958-05-16
Method of and means for comparison of two electrical potentials for purposes of photometry and the like
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