Yukio Terakawa

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Methods for preparing stable silica sols and inorganic coating comp...
- Patent number 4,057,525
- Issue date Nov 8, 1977
- Kowa Chemical Industry Ltd.
- Kiyoshi Kikuchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES