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Filling composition for incandescent lamp, and incandescent lamp containing the same and its use

  • US 5,432,408 A
  • Filed: 12/22/1993
  • Issued: 07/11/1995
  • Est. Priority Date: 04/09/1991
  • Status: Expired due to Term
First Claim
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1. A filling composition for incandescent lamp, consisting of 20-75% by volume of xenon gas, and 25-80% by volume of nitrogen gas.

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