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Magnetic recording medium
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Patent number 4,587,178
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Issue date May 6, 1986
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Victor Company of Japan, Ltd.
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Shigeo Shimizu
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,505,966
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Issue date Mar 19, 1985
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Teijin Limited
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Tomio Adachi
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,499,138
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Issue date Feb 12, 1985
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Fuji Photo Film Co., Ltd.
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Nobuyuki Yamamoto
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,456,661
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Issue date Jun 26, 1984
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Fuji Photo Film Co., Ltd.
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Nobuyuki Yamamoto
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,410,603
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Issue date Oct 18, 1983
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Tokyo Shibaura Denki Kabushiki Kaisha
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Kazuyoshi Yamamori
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G11 - INFORMATION STORAGE
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