Hasuo Koichi

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Shinjuku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing resin concrete
- Patent number 4,758,610
- Issue date Jul 19, 1988
- Mitsui Kensetsu Kabushiki Kaisha
- Okamoto Tadashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES