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Low-pressure discharge lamp
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Patent number 7,385,353
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Issue date Jun 10, 2008
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Patent-Treuhand-Gesellschaft Für Elektrische Glëhlampen mbH
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Richard C. Gamer
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H01 - BASIC ELECTRIC ELEMENTS
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Lamp
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Patent number 7,160,012
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Issue date Jan 9, 2007
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Patent-Treuhand-Gesellschaft für elektrische Glëhlapen mbH
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Achim Hilscher
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F21 - LIGHTING
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Low-pressure discharge lamp
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Patent number 7,030,564
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Issue date Apr 18, 2006
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Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
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Achim Hilscher
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H01 - BASIC ELECTRIC ELEMENTS
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Discharge lamp having spring
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Patent number 6,614,166
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Issue date Sep 2, 2003
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Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
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Achim Hilscher
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H01 - BASIC ELECTRIC ELEMENTS