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Polyethylene terephthalate resin composition
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Patent number 4,840,981
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Issue date Jun 20, 1989
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Mitsubishi Chemical Industries Limited
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Masayoshi Hasuo
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polycarbonate and optical disc substrate
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Patent number 4,734,488
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Issue date Mar 29, 1988
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Mitsubishi Chemical Industries Ltd.
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Masayoshi Hasuo
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for producing polyoxymethylene
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Patent number 4,246,396
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Issue date Jan 20, 1981
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Mitsubishi Chemical Industries, Limited
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Ikuo Sukegawa
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for producing polyoxymethylene
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Patent number 4,158,729
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Issue date Jun 19, 1979
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Mitsubishi Chemical Industries Ltd.
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Harutaka Kimura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...