Zenzaburo Kawai

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Kumagaya, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method of removal of nitrogen oxides, particularly for use in cemen...
- Patent number 4,080,218
- Issue date Mar 21, 1978
- Ishikawajima-Harima Jukogyo Kaisha
- Hitoaki Mori
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES