Seihachi Osawa

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Musashimurayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Molded bodies of cement type admixed and kneaded material having ex...
- Patent number 6,024,791
- Issue date Feb 15, 2000
- Mitomo Shoji Kabushiki Kaisha
- Hiroki Sonoda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES