Koichi Kasai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for the prevention of slaking of dolomite bricks
- Patent number 4,157,621
- Issue date Jun 12, 1979
- Shinagana Refractories Co. Ltd.
- Sadame Asano
- C21 - METALLURGY OF IRON