Keiichiro Koba

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Ohtanimachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the liquefaction of coal
- Patent number 4,354,919
- Issue date Oct 19, 1982
- Mitsui Coke Co., Ltd.
- Shoichi Oi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL