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Laminated sliding stopper for a syringe

  • US 4,997,423 A
  • Filed: 06/14/1989
  • Issued: 03/05/1991
  • Est. Priority Date: 10/15/1986
  • Status: Expired due to Term
First Claim
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1. A sliding stopper for a syringe, consisting of a rubber elastic body whose part to be contacted with a liquid medicament and sliding part on an inner wall of a barrel are fully laminated with a film of tetrafluoroethylene.

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