Keiichi Hirata

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Enmeiji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing carbon fibers
- Patent number 4,320,107
- Issue date Mar 16, 1982
- Mitsui Coke Co. Ltd.
- Mikio Oyabu
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING