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Electrical reflector lamp
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Patent number 4,672,514
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Issue date Jun 9, 1987
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U.S. Philips Corporation
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Henricus F. J. I. Giller
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H01 - BASIC ELECTRIC ELEMENTS
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Electric reflector lamp
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Patent number 4,633,126
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Issue date Dec 30, 1986
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U.S. Philips Corporation
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Henricus F. J. I. Giller
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H01 - BASIC ELECTRIC ELEMENTS
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Electric reflector lamp
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Patent number 4,506,185
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Issue date Mar 19, 1985
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U.S. Philips Corporation
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Henricus F. J. I. Giller
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H01 - BASIC ELECTRIC ELEMENTS
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Tungsten/bromine cycle lamp
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Patent number 4,213,662
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Issue date Jul 22, 1980
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U.S. Philips Corporation
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Henricus F. J. I. Giller
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H01 - BASIC ELECTRIC ELEMENTS
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Tungsten/bromine cycle lamp
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Patent number 4,128,783
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Issue date Dec 5, 1978
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U.S. Philips Corporation
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Henricus F. J. I. Giller
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H01 - BASIC ELECTRIC ELEMENTS
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