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Magnetic recording media
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Patent number 4,647,513
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Issue date Mar 3, 1987
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BASF Aktiengesellschaft
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August Lehner
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G11 - INFORMATION STORAGE
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Magnetic recording media
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Patent number 4,568,610
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Issue date Feb 4, 1986
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BASF Aktiengesellschaft
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August Lehner
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G11 - INFORMATION STORAGE
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Magnetic recording media
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Patent number 4,568,612
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Issue date Feb 4, 1986
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BASF Aktiengesellschaft
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August Lehner
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Magnetic recording media
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Patent number 4,567,109
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Issue date Jan 28, 1986
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BASF Aktiengesellschaft
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August Lehner
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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