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Open capillary column and manufacturing method thereof

  • US 6,706,177 B2
  • Filed: 04/08/2002
  • Issued: 03/16/2004
  • Est. Priority Date: 02/21/2000
  • Status: Expired due to Fees
First Claim
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1. An open capillary column comprising an open capillary tube having an inner wall with a stationary phase, a surface of which being provided with a number of pores, each of which have an expanded hollow in the stationary phase.

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