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Exposure apparatus
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Patent number 4,812,880
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Issue date Mar 14, 1989
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Matsushita Electric Industrial Co., Ltd.
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Kazufumi Ogawa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Exposure apparatus
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Patent number 4,805,000
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Issue date Feb 14, 1989
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Matsushita Electric Industrial Co., Ltd.
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Kazufumi Ogawa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Exposure apparatus
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Patent number 4,805,002
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Issue date Feb 14, 1989
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Matsushita Electric Industrial Co. Ltd.
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Masaru Sasago
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Exposure apparatus
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Patent number 4,724,466
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Issue date Feb 9, 1988
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Matsushita Electric Industrial Co., Ltd.
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Kazufumi Ogawa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Time signal clock
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Patent number 4,098,071
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Issue date Jul 4, 1978
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Matsushita Electric Industrial Co., Ltd.
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Hakuhei Kawakami
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G04 - HOROLOGY