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Hygrometer

  • US 3,223,609 A
  • Filed: 10/30/1961
  • Issued: 12/14/1965
  • Est. Priority Date: 10/30/1961
  • Status: Expired due to Term
First Claim
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1. AN ELECTROLYTIC HYGROMETER CELL HAVING AT LEAST ONE ELECTRODE COMPOSED OF RHODIUM.

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