Mamoru Ashida

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Porous acrylonitrile polymer fiber
- Patent number 5,436,275
- Issue date Jul 25, 1995
- Japan Exlan Company Limited
- Shiro Kawasaki
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING