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Magneto-optical recording medium
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Patent number 4,814,238
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Issue date Mar 21, 1989
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Kokusai Denshin Denwa Kabushiki Kaisha
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Shinsuke Tanaka
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G11 - INFORMATION STORAGE
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Magneto-optical recording medium
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Patent number 4,497,870
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Issue date Feb 5, 1985
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Matsushita Electric Industrial Co., Ltd.
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Yoshihiko Kudo
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Magneto-optical memory element
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Patent number 4,438,508
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Issue date Mar 20, 1984
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U.S. Philips Corporation
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Marlies Urner-Willie
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G11 - INFORMATION STORAGE
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Magnetic transfer record film
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Patent number 4,126,494
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Issue date Nov 21, 1978
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Kokusai Denshin Denwa Kabushiki Kaisha
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Nobutake Imamura
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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