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High-pressure discharge lamp
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Patent number 5,039,912
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Issue date Aug 13, 1991
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U.S. Philips Corporation
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Johannes A. J. M. Van Vliet
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H01 - BASIC ELECTRIC ELEMENTS
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High-pressure discharge lamp
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Patent number 4,401,916
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Issue date Aug 30, 1983
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U.S. Philips Corporation
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Alfred E. T. Glenny
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H01 - BASIC ELECTRIC ELEMENTS
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Glow-discharge starter
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Patent number 4,377,771
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Issue date Mar 22, 1983
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U.S. Philips Corporation
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Johannes A. J. M. van Vliet
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H01 - BASIC ELECTRIC ELEMENTS
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Blended lamp
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Patent number 4,367,432
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Issue date Jan 4, 1983
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U.S. Philips Corporation
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Alfred E. T. Glenny
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H01 - BASIC ELECTRIC ELEMENTS
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