Yasumoto Nishijima

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of porous membrane
- Patent number 4,432,920
- Issue date Feb 21, 1984
- Daido-Maruta Finishing Co., Ltd.
- Norio Ishikawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL