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Formed polyimide article
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Patent number 5,374,708
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Issue date Dec 20, 1994
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Mitsui Toatsu Chemicals, Incorporated
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Shoji Tamai
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Process for preparing insulated wire
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Patent number 5,233,011
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Issue date Aug 3, 1993
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Mitsui Toatsu Chemicals, Incorporated
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Masumi Saruwatari
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Preparation process of polyimide film
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Patent number 5,037,587
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Issue date Aug 6, 1991
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Mitsui Toatsu Chemicals, Inc.
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Masumi Saruwatari
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL