Yutaka Ohnishi

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic heat-resisting material and premold product made of such...
- Patent number 4,472,201
- Issue date Sep 18, 1984
- Kurosaki Refractories Co., Ltd.
- Yoshiyuki Ochi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES