Hirozumi Iwasaki

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Yao, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing meta-aromatic polyamide fiber
- Patent number 6,569,987
- Issue date May 27, 2003
- Teijin Limited
- Akihiro Ohba
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING