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Recording tape cartridge
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Patent number 4,897,751
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Issue date Jan 30, 1990
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Hitachi Maxell, Ltd.
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Shinichi Goto
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G11 - INFORMATION STORAGE
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Recording tape cassette
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Patent number 4,712,149
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Issue date Dec 8, 1987
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Hitachi Maxell, Ltd.
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Shinichi Goto
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G11 - INFORMATION STORAGE
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Recording tape cartridge
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Patent number 4,658,981
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Issue date Apr 21, 1987
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Hitachi Maxell, Ltd.
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Shinichi Goto
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G11 - INFORMATION STORAGE
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Recording tape cassette
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Patent number 4,646,191
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Issue date Feb 24, 1987
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Hitachi Maxell, Ltd.
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Shinichi Goto
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G11 - INFORMATION STORAGE
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Recording tape cartridge
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Patent number 4,504,028
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Issue date Mar 12, 1985
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Hitachi Maxell, Ltd.
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Shinichi Goto
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G11 - INFORMATION STORAGE
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