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Biaxially oriented polyester film
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Patent number 4,725,472
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Issue date Feb 16, 1988
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Toray Industries, Inc.
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Kazuo Okabe
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Method of manufacturing polyester films
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Patent number 4,234,532
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Issue date Nov 18, 1980
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Toray Industries, Inc.
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Masahiko Motegi
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method for manufacturing polyester films
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Patent number 4,226,826
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Issue date Oct 7, 1980
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Toray Industries, Inc.
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Masahiko Motegi
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Polymeric-shaped article
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Patent number 4,190,689
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Issue date Feb 26, 1980
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Toray Industries, Inc.
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Saburo Fujita
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyester film for magnetic tape
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Patent number 4,138,386
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Issue date Feb 6, 1979
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Toray Industries, Inc.
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Masahiko Motegi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...