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Low-pressure gas discharge lamp
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Patent number 6,858,985
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Issue date Feb 22, 2005
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Koninklijke Philips Electronics N.V.
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Albrecht Kraus
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H01 - BASIC ELECTRIC ELEMENTS
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Gas discharge lamp
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Patent number 6,744,204
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Issue date Jun 1, 2004
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Koninklijke Philips Electronics N.V.
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Wilhelm Albert Groen
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H01 - BASIC ELECTRIC ELEMENTS
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Gas discharge lamp
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Patent number 6,465,955
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Issue date Oct 15, 2002
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Koninklijke Philips Electronics N.V.
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Albrecht Kraus
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H01 - BASIC ELECTRIC ELEMENTS
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Discharge lamp
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Patent number 6,157,129
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Issue date Dec 5, 2000
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U.S. Philips Corporation
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Bernd Rausenberger
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H01 - BASIC ELECTRIC ELEMENTS