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Excitation atomic beam source
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Patent number 5,506,405
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Issue date Apr 9, 1996
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Matsushita Electric Industrial Co., Ltd.
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Yoshikazu Yoshida
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Exposure system
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Patent number 5,227,838
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Issue date Jul 13, 1993
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Matsushita Electric Industrial Co., Ltd.
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Yoshito Nakanishi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Optical scanning device
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Patent number 5,223,957
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Issue date Jun 29, 1993
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Matsushita Electric Industrial Co., Ltd.
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Tatsuo Itoh
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G02 - OPTICS
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Plasma processing apparatus
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Patent number 4,812,712
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Issue date Mar 14, 1989
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Matsushita Electric Industrial Co., Ltd.
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Youichi Ohnishi
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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