Takashi Ooishi

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production process of machinable ceramics
- Patent number 5,026,412
- Issue date Jun 25, 1991
- Mitsui Mining Company, Limited
- Takashi Ooishi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES