Noriho Harumiya

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Ohtsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semipermeable membrane treated with modified vinyl polymer
- Patent number 4,478,717
- Issue date Oct 23, 1984
- Toray Industries, Inc.
- Masaru Kurihara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL