Takashi Maruya

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Tsuruoka, JA

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Patents Grantslast 30 patents

Information Patent Grant
Water glass composition
- Patent number 4,018,616
- Issue date Apr 19, 1977
- Mizusawa Kagaku Kogyo Kabushiki Kaisha
- Yujiro Sugahara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES