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High pressure discharge lamp
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Patent number 7,034,460
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Issue date Apr 25, 2006
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Matsushita Electric Industrial Co., Ltd.
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Kiyoshi Takahashi
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C03 - GLASS MINERAL OR SLAG WOOL
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Discharge lamp and lamp unit
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Patent number 6,876,151
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Issue date Apr 5, 2005
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Matsushita Electric Industrial Co., Ltd.
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Tomoyuki Seki
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H01 - BASIC ELECTRIC ELEMENTS
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Electrodeless discharge lamp
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Patent number 6,670,759
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Issue date Dec 30, 2003
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Matsushita Electric Industrial Co., Ltd.
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Koichi Katase
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H01 - BASIC ELECTRIC ELEMENTS
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