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Three-way T-shaped respiratory valve with single balloon

  • US D300,271 S
  • Filed: 03/16/1987
  • Issued: 03/14/1989
  • Est. Priority Date: 03/16/1987
  • Status: Expired due to Term
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1. The ornamental design for a three-way T-shaped respiratory valve with single balloon, as shown and described.

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