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Laser apparatus
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Patent number 4,991,178
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Issue date Feb 5, 1991
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Matsushita Electric Industrial Co., Ltd.
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Koichi Wani
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H01 - BASIC ELECTRIC ELEMENTS
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-
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High-pressure sodium lamp
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Patent number 4,468,590
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Issue date Aug 28, 1984
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Matsushita Electronics Corporation
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Hidezoh Akutsu
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H01 - BASIC ELECTRIC ELEMENTS
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High-pressure sodium lamp
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Patent number 4,423,353
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Issue date Dec 27, 1983
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Matsushita Electronics Corporation
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Yoshiro Ogata
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H01 - BASIC ELECTRIC ELEMENTS
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High-pressure sodium lamp
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Patent number 4,396,856
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Issue date Aug 2, 1983
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Matsushita Electronics Corporation
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Yoshiro Ogata
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H01 - BASIC ELECTRIC ELEMENTS
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Metal vapor laser
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Patent number 4,210,876
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Issue date Jul 1, 1980
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Matsushita Electronics Corporation
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Yoshiro Ogata
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H01 - BASIC ELECTRIC ELEMENTS