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Nobuhiro Tsutsui
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Okayama, JP
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Patent Grant
Process for producing polyacrylonitrile reverse osmotic membranes
Patent number
4,283,359
Issue date
Aug 11, 1981
Japan Exlan Company Ltd.
Nobuhiro Tsutsui
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL