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Tomonori Iwami
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Otsu, JP
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last 30 patents
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Patent Grant
Polymethyl methacrylate hollow fiber type ultrafiltration membrane...
Patent number
4,678,581
Issue date
Jul 7, 1987
Toray Industries, Inc.
Tatsuo Nogi
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING