Tsunenori Moriyama

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Nagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing porous magnesia clinker
- Patent number 4,627,878
- Issue date Dec 9, 1986
- Onoda Cement Co., Ltd.
- Hiroshi Hagiwara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES