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Liquid aspirating probe assembly of a supply analyzer

  • US 3,960,020 A
  • Filed: 12/30/1974
  • Issued: 06/01/1976
  • Est. Priority Date: 12/30/1974
  • Status: Expired due to Term
First Claim
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1. A sample analyzer comprising an aspirating probe element having an inlet for immersion successively in liquids contained in a series of receptacles and for relative retraction to an upper position prior to immersion in the liquid of another receptacle, and means flushing a wash solution down the exterior of said probe element in said upper position and drawing off substantially all the flushed solution through said probe inlet.

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