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Somebody knows VNA standard?

  1. Nov 5, 2007 #1
    I work with valves and one of our customer send me an oring specification. this file says that the index (or coefficient) of cold is -50°C and it was measured with differential scaning as per VNA 675116. I have never heard something about it.
  2. jcsd
  3. Nov 5, 2007 #2


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