Katsunobu Tatsumoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing a carbonaceous material
- Patent number 4,117,098
- Issue date Sep 26, 1978
- Mitsui Mining Company, Limited
- Katsunobu Tatsumoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES