Masahiro Yamashita

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Izumisano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Admixture and cement composition using same
- Patent number 5,122,191
- Issue date Jun 16, 1992
- Takenaka Corporation
- Masahiro Morozumi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES