Yoshikazu Nakamura

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing pitch for using as raw material for carbon fi...
- Patent number 4,460,454
- Issue date Jul 17, 1984
- Mitsubishi Oil Co., Ltd.
- Hiroshi Iijima
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING